710 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			710 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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| ; RUN: opt < %s -instcombine -S | FileCheck %s
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| 
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| ; This is https://bugs.llvm.org/show_bug.cgi?id=36682
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| 
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| ; In *all* of these, sitofp and bitcast should be instcombine'd out.
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| ; "sle 0" is canonicalized to "slt 1",  so we don't test "sle 0" case.
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| ; "sge 0" is canonicalized to "sgt -1", so we don't test "sge 0" case.
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| ; "sge 1" is canonicalized to "sgt 0",  so we don't test "sge 1" case.
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| ; "sle -1" is canonicalized to "slt 0", so we don't test "sle -1" case.
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| 
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| define i1 @i32_cast_cmp_eq_int_0_sitofp_float(i32 %i) {
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| ; CHECK-LABEL: @i32_cast_cmp_eq_int_0_sitofp_float(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i32 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i32 %i to float
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|   %b = bitcast float %f to i32
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|   %cmp = icmp eq i32 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i32_cast_cmp_ne_int_0_sitofp_float(i32 %i) {
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| ; CHECK-LABEL: @i32_cast_cmp_ne_int_0_sitofp_float(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp ne i32 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i32 %i to float
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|   %b = bitcast float %f to i32
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|   %cmp = icmp ne i32 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i32_cast_cmp_slt_int_0_sitofp_float(i32 %i) {
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| ; CHECK-LABEL: @i32_cast_cmp_slt_int_0_sitofp_float(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i32 %i to float
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|   %b = bitcast float %f to i32
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|   %cmp = icmp slt i32 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i32_cast_cmp_sgt_int_0_sitofp_float(i32 %i) {
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| ; CHECK-LABEL: @i32_cast_cmp_sgt_int_0_sitofp_float(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i32 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i32 %i to float
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|   %b = bitcast float %f to i32
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|   %cmp = icmp sgt i32 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i32_cast_cmp_slt_int_1_sitofp_float(i32 %i) {
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| ; CHECK-LABEL: @i32_cast_cmp_slt_int_1_sitofp_float(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[I:%.*]], 1
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i32 %i to float
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|   %b = bitcast float %f to i32
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|   %cmp = icmp slt i32 %b, 1
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i32_cast_cmp_sgt_int_m1_sitofp_float(i32 %i) {
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| ; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_sitofp_float(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i32 [[I:%.*]], -1
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i32 %i to float
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|   %b = bitcast float %f to i32
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|   %cmp = icmp sgt i32 %b, -1
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i32_cast_cmp_eq_int_0_sitofp_double(i32 %i) {
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| ; CHECK-LABEL: @i32_cast_cmp_eq_int_0_sitofp_double(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i32 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i32 %i to double
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|   %b = bitcast double %f to i64
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|   %cmp = icmp eq i64 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i32_cast_cmp_ne_int_0_sitofp_double(i32 %i) {
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| ; CHECK-LABEL: @i32_cast_cmp_ne_int_0_sitofp_double(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp ne i32 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i32 %i to double
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|   %b = bitcast double %f to i64
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|   %cmp = icmp ne i64 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i32_cast_cmp_slt_int_0_sitofp_double(i32 %i) {
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| ; CHECK-LABEL: @i32_cast_cmp_slt_int_0_sitofp_double(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i32 %i to double
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|   %b = bitcast double %f to i64
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|   %cmp = icmp slt i64 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i32_cast_cmp_sgt_int_0_sitofp_double(i32 %i) {
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| ; CHECK-LABEL: @i32_cast_cmp_sgt_int_0_sitofp_double(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i32 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i32 %i to double
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|   %b = bitcast double %f to i64
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|   %cmp = icmp sgt i64 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i32_cast_cmp_slt_int_1_sitofp_double(i32 %i) {
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| ; CHECK-LABEL: @i32_cast_cmp_slt_int_1_sitofp_double(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[I:%.*]], 1
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i32 %i to double
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|   %b = bitcast double %f to i64
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|   %cmp = icmp slt i64 %b, 1
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i32_cast_cmp_sgt_int_m1_sitofp_double(i32 %i) {
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| ; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_sitofp_double(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i32 [[I:%.*]], -1
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i32 %i to double
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|   %b = bitcast double %f to i64
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|   %cmp = icmp sgt i64 %b, -1
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i32_cast_cmp_eq_int_0_sitofp_half(i32 %i) {
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| ; CHECK-LABEL: @i32_cast_cmp_eq_int_0_sitofp_half(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i32 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i32 %i to half
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|   %b = bitcast half %f to i16
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|   %cmp = icmp eq i16 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i32_cast_cmp_ne_int_0_sitofp_half(i32 %i) {
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| ; CHECK-LABEL: @i32_cast_cmp_ne_int_0_sitofp_half(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp ne i32 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i32 %i to half
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|   %b = bitcast half %f to i16
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|   %cmp = icmp ne i16 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i32_cast_cmp_slt_int_0_sitofp_half(i32 %i) {
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| ; CHECK-LABEL: @i32_cast_cmp_slt_int_0_sitofp_half(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i32 %i to half
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|   %b = bitcast half %f to i16
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|   %cmp = icmp slt i16 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i32_cast_cmp_sgt_int_0_sitofp_half(i32 %i) {
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| ; CHECK-LABEL: @i32_cast_cmp_sgt_int_0_sitofp_half(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i32 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i32 %i to half
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|   %b = bitcast half %f to i16
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|   %cmp = icmp sgt i16 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i32_cast_cmp_slt_int_1_sitofp_half(i32 %i) {
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| ; CHECK-LABEL: @i32_cast_cmp_slt_int_1_sitofp_half(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[I:%.*]], 1
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i32 %i to half
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|   %b = bitcast half %f to i16
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|   %cmp = icmp slt i16 %b, 1
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i32_cast_cmp_sgt_int_m1_sitofp_half(i32 %i) {
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| ; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_sitofp_half(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i32 [[I:%.*]], -1
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i32 %i to half
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|   %b = bitcast half %f to i16
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|   %cmp = icmp sgt i16 %b, -1
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i64_cast_cmp_eq_int_0_sitofp_float(i64 %i) {
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| ; CHECK-LABEL: @i64_cast_cmp_eq_int_0_sitofp_float(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i64 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i64 %i to float
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|   %b = bitcast float %f to i32
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|   %cmp = icmp eq i32 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i64_cast_cmp_ne_int_0_sitofp_float(i64 %i) {
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| ; CHECK-LABEL: @i64_cast_cmp_ne_int_0_sitofp_float(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp ne i64 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i64 %i to float
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|   %b = bitcast float %f to i32
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|   %cmp = icmp ne i32 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i64_cast_cmp_slt_int_0_sitofp_float(i64 %i) {
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| ; CHECK-LABEL: @i64_cast_cmp_slt_int_0_sitofp_float(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i64 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i64 %i to float
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|   %b = bitcast float %f to i32
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|   %cmp = icmp slt i32 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i64_cast_cmp_sgt_int_0_sitofp_float(i64 %i) {
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| ; CHECK-LABEL: @i64_cast_cmp_sgt_int_0_sitofp_float(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i64 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i64 %i to float
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|   %b = bitcast float %f to i32
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|   %cmp = icmp sgt i32 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i64_cast_cmp_slt_int_1_sitofp_float(i64 %i) {
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| ; CHECK-LABEL: @i64_cast_cmp_slt_int_1_sitofp_float(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i64 [[I:%.*]], 1
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i64 %i to float
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|   %b = bitcast float %f to i32
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|   %cmp = icmp slt i32 %b, 1
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i64_cast_cmp_sgt_int_m1_sitofp_float(i64 %i) {
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| ; CHECK-LABEL: @i64_cast_cmp_sgt_int_m1_sitofp_float(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i64 [[I:%.*]], -1
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i64 %i to float
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|   %b = bitcast float %f to i32
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|   %cmp = icmp sgt i32 %b, -1
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i64_cast_cmp_eq_int_0_sitofp_double(i64 %i) {
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| ; CHECK-LABEL: @i64_cast_cmp_eq_int_0_sitofp_double(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i64 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i64 %i to double
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|   %b = bitcast double %f to i64
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|   %cmp = icmp eq i64 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i64_cast_cmp_ne_int_0_sitofp_double(i64 %i) {
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| ; CHECK-LABEL: @i64_cast_cmp_ne_int_0_sitofp_double(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp ne i64 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i64 %i to double
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|   %b = bitcast double %f to i64
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|   %cmp = icmp ne i64 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i64_cast_cmp_slt_int_0_sitofp_double(i64 %i) {
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| ; CHECK-LABEL: @i64_cast_cmp_slt_int_0_sitofp_double(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i64 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i64 %i to double
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|   %b = bitcast double %f to i64
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|   %cmp = icmp slt i64 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i64_cast_cmp_sgt_int_0_sitofp_double(i64 %i) {
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| ; CHECK-LABEL: @i64_cast_cmp_sgt_int_0_sitofp_double(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i64 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i64 %i to double
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|   %b = bitcast double %f to i64
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|   %cmp = icmp sgt i64 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i64_cast_cmp_slt_int_1_sitofp_double(i64 %i) {
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| ; CHECK-LABEL: @i64_cast_cmp_slt_int_1_sitofp_double(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i64 [[I:%.*]], 1
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i64 %i to double
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|   %b = bitcast double %f to i64
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|   %cmp = icmp slt i64 %b, 1
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i64_cast_cmp_sgt_int_m1_sitofp_double(i64 %i) {
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| ; CHECK-LABEL: @i64_cast_cmp_sgt_int_m1_sitofp_double(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i64 [[I:%.*]], -1
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i64 %i to double
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|   %b = bitcast double %f to i64
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|   %cmp = icmp sgt i64 %b, -1
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i64_cast_cmp_eq_int_0_sitofp_half(i64 %i) {
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| ; CHECK-LABEL: @i64_cast_cmp_eq_int_0_sitofp_half(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i64 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
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| ;
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|   %f = sitofp i64 %i to half
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|   %b = bitcast half %f to i16
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|   %cmp = icmp eq i16 %b, 0
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|   ret i1 %cmp
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| }
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| 
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| define i1 @i64_cast_cmp_ne_int_0_sitofp_half(i64 %i) {
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| ; CHECK-LABEL: @i64_cast_cmp_ne_int_0_sitofp_half(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp ne i64 [[I:%.*]], 0
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| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
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|   %f = sitofp i64 %i to half
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|   %b = bitcast half %f to i16
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|   %cmp = icmp ne i16 %b, 0
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|   ret i1 %cmp
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| }
 | |
| 
 | |
| define i1 @i64_cast_cmp_slt_int_0_sitofp_half(i64 %i) {
 | |
| ; CHECK-LABEL: @i64_cast_cmp_slt_int_0_sitofp_half(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i64 [[I:%.*]], 0
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = sitofp i64 %i to half
 | |
|   %b = bitcast half %f to i16
 | |
|   %cmp = icmp slt i16 %b, 0
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i64_cast_cmp_sgt_int_0_sitofp_half(i64 %i) {
 | |
| ; CHECK-LABEL: @i64_cast_cmp_sgt_int_0_sitofp_half(
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| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i64 [[I:%.*]], 0
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
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|   %f = sitofp i64 %i to half
 | |
|   %b = bitcast half %f to i16
 | |
|   %cmp = icmp sgt i16 %b, 0
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i64_cast_cmp_slt_int_1_sitofp_half(i64 %i) {
 | |
| ; CHECK-LABEL: @i64_cast_cmp_slt_int_1_sitofp_half(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i64 [[I:%.*]], 1
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
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|   %f = sitofp i64 %i to half
 | |
|   %b = bitcast half %f to i16
 | |
|   %cmp = icmp slt i16 %b, 1
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i64_cast_cmp_sgt_int_m1_sitofp_half(i64 %i) {
 | |
| ; CHECK-LABEL: @i64_cast_cmp_sgt_int_m1_sitofp_half(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i64 [[I:%.*]], -1
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
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|   %f = sitofp i64 %i to half
 | |
|   %b = bitcast half %f to i16
 | |
|   %cmp = icmp sgt i16 %b, -1
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i16_cast_cmp_eq_int_0_sitofp_float(i16 %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_eq_int_0_sitofp_float(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i16 [[I:%.*]], 0
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = sitofp i16 %i to float
 | |
|   %b = bitcast float %f to i32
 | |
|   %cmp = icmp eq i32 %b, 0
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i16_cast_cmp_ne_int_0_sitofp_float(i16 %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_ne_int_0_sitofp_float(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp ne i16 [[I:%.*]], 0
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = sitofp i16 %i to float
 | |
|   %b = bitcast float %f to i32
 | |
|   %cmp = icmp ne i32 %b, 0
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i16_cast_cmp_slt_int_0_sitofp_float(i16 %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_slt_int_0_sitofp_float(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i16 [[I:%.*]], 0
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = sitofp i16 %i to float
 | |
|   %b = bitcast float %f to i32
 | |
|   %cmp = icmp slt i32 %b, 0
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i16_cast_cmp_sgt_int_0_sitofp_float(i16 %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_sgt_int_0_sitofp_float(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i16 [[I:%.*]], 0
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = sitofp i16 %i to float
 | |
|   %b = bitcast float %f to i32
 | |
|   %cmp = icmp sgt i32 %b, 0
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i16_cast_cmp_slt_int_1_sitofp_float(i16 %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_slt_int_1_sitofp_float(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i16 [[I:%.*]], 1
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = sitofp i16 %i to float
 | |
|   %b = bitcast float %f to i32
 | |
|   %cmp = icmp slt i32 %b, 1
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i16_cast_cmp_sgt_int_m1_sitofp_float(i16 %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_sgt_int_m1_sitofp_float(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i16 [[I:%.*]], -1
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = sitofp i16 %i to float
 | |
|   %b = bitcast float %f to i32
 | |
|   %cmp = icmp sgt i32 %b, -1
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i16_cast_cmp_eq_int_0_sitofp_double(i16 %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_eq_int_0_sitofp_double(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i16 [[I:%.*]], 0
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = sitofp i16 %i to double
 | |
|   %b = bitcast double %f to i64
 | |
|   %cmp = icmp eq i64 %b, 0
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i16_cast_cmp_ne_int_0_sitofp_double(i16 %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_ne_int_0_sitofp_double(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp ne i16 [[I:%.*]], 0
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = sitofp i16 %i to double
 | |
|   %b = bitcast double %f to i64
 | |
|   %cmp = icmp ne i64 %b, 0
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i16_cast_cmp_slt_int_0_sitofp_double(i16 %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_slt_int_0_sitofp_double(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i16 [[I:%.*]], 0
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = sitofp i16 %i to double
 | |
|   %b = bitcast double %f to i64
 | |
|   %cmp = icmp slt i64 %b, 0
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i16_cast_cmp_sgt_int_0_sitofp_double(i16 %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_sgt_int_0_sitofp_double(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i16 [[I:%.*]], 0
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = sitofp i16 %i to double
 | |
|   %b = bitcast double %f to i64
 | |
|   %cmp = icmp sgt i64 %b, 0
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i16_cast_cmp_slt_int_1_sitofp_double(i16 %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_slt_int_1_sitofp_double(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i16 [[I:%.*]], 1
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = sitofp i16 %i to double
 | |
|   %b = bitcast double %f to i64
 | |
|   %cmp = icmp slt i64 %b, 1
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i16_cast_cmp_sgt_int_m1_sitofp_double(i16 %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_sgt_int_m1_sitofp_double(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i16 [[I:%.*]], -1
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = sitofp i16 %i to double
 | |
|   %b = bitcast double %f to i64
 | |
|   %cmp = icmp sgt i64 %b, -1
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i16_cast_cmp_eq_int_0_sitofp_half(i16 %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_eq_int_0_sitofp_half(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i16 [[I:%.*]], 0
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = sitofp i16 %i to half
 | |
|   %b = bitcast half %f to i16
 | |
|   %cmp = icmp eq i16 %b, 0
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i16_cast_cmp_ne_int_0_sitofp_half(i16 %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_ne_int_0_sitofp_half(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp ne i16 [[I:%.*]], 0
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = sitofp i16 %i to half
 | |
|   %b = bitcast half %f to i16
 | |
|   %cmp = icmp ne i16 %b, 0
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i16_cast_cmp_slt_int_0_sitofp_half(i16 %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_slt_int_0_sitofp_half(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i16 [[I:%.*]], 0
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = sitofp i16 %i to half
 | |
|   %b = bitcast half %f to i16
 | |
|   %cmp = icmp slt i16 %b, 0
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i16_cast_cmp_sgt_int_0_sitofp_half(i16 %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_sgt_int_0_sitofp_half(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i16 [[I:%.*]], 0
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = sitofp i16 %i to half
 | |
|   %b = bitcast half %f to i16
 | |
|   %cmp = icmp sgt i16 %b, 0
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i16_cast_cmp_slt_int_1_sitofp_half(i16 %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_slt_int_1_sitofp_half(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i16 [[I:%.*]], 1
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = sitofp i16 %i to half
 | |
|   %b = bitcast half %f to i16
 | |
|   %cmp = icmp slt i16 %b, 1
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i16_cast_cmp_sgt_int_m1_sitofp_half(i16 %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_sgt_int_m1_sitofp_half(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i16 [[I:%.*]], -1
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = sitofp i16 %i to half
 | |
|   %b = bitcast half %f to i16
 | |
|   %cmp = icmp sgt i16 %b, -1
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| ; Verify that vector types and vector constants including undef elements are transformed too.
 | |
| 
 | |
| define <3 x i1> @i32_cast_cmp_ne_int_0_sitofp_double_vec(<3 x i32> %i) {
 | |
| ; CHECK-LABEL: @i32_cast_cmp_ne_int_0_sitofp_double_vec(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp ne <3 x i32> [[I:%.*]], zeroinitializer
 | |
| ; CHECK-NEXT:    ret <3 x i1> [[CMP]]
 | |
| ;
 | |
|   %f = sitofp <3 x i32> %i to  <3 x double>
 | |
|   %b = bitcast <3 x double> %f to <3 x i64>
 | |
|   %cmp = icmp ne <3 x i64> %b, <i64 0, i64 0, i64 0>
 | |
|   ret <3 x i1> %cmp
 | |
| }
 | |
| 
 | |
| ; TODO: Can we propagate the constant vector with undef element?
 | |
| 
 | |
| define <3 x i1> @i32_cast_cmp_eq_int_0_sitofp_float_vec_undef(<3 x i32> %i) {
 | |
| ; CHECK-LABEL: @i32_cast_cmp_eq_int_0_sitofp_float_vec_undef(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp eq <3 x i32> [[I:%.*]], zeroinitializer
 | |
| ; CHECK-NEXT:    ret <3 x i1> [[CMP]]
 | |
| ;
 | |
|   %f = sitofp <3 x i32> %i to  <3 x float>
 | |
|   %b = bitcast <3 x float> %f to <3 x i32>
 | |
|   %cmp = icmp eq <3 x i32> %b, <i32 0, i32 undef, i32 0>
 | |
|   ret <3 x i1> %cmp
 | |
| }
 | |
| 
 | |
| define <3 x i1> @i64_cast_cmp_slt_int_1_sitofp_half_vec_undef(<3 x i64> %i) {
 | |
| ; CHECK-LABEL: @i64_cast_cmp_slt_int_1_sitofp_half_vec_undef(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt <3 x i64> [[I:%.*]], <i64 1, i64 1, i64 1>
 | |
| ; CHECK-NEXT:    ret <3 x i1> [[CMP]]
 | |
| ;
 | |
|   %f = sitofp <3 x i64> %i to  <3 x half>
 | |
|   %b = bitcast <3 x half> %f to <3 x i16>
 | |
|   %cmp = icmp slt <3 x i16> %b, <i16 1, i16 undef, i16 1>
 | |
|   ret <3 x i1> %cmp
 | |
| }
 | |
| 
 | |
| define <3 x i1> @i16_cast_cmp_sgt_int_m1_sitofp_float_vec_undef(<3 x i16> %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_sgt_int_m1_sitofp_float_vec_undef(
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt <3 x i16> [[I:%.*]], <i16 -1, i16 -1, i16 -1>
 | |
| ; CHECK-NEXT:    ret <3 x i1> [[CMP]]
 | |
| ;
 | |
|   %f = sitofp <3 x i16> %i to  <3 x float>
 | |
|   %b = bitcast <3 x float> %f to <3 x i32>
 | |
|   %cmp = icmp sgt <3 x i32> %b, <i32 -1, i32 undef, i32 -1>
 | |
|   ret <3 x i1> %cmp
 | |
| }
 | |
| 
 | |
| ; Verify that the various forms of this transform are not applied when the
 | |
| ; bitcast changes the number of vector elements:
 | |
| ;   icmp (bitcast ([su]itofp X)), Y -> icmp X, Y
 | |
| 
 | |
| define <6 x i1> @i16_cast_cmp_sgt_int_m1_bitcast_vector_num_elements_sitofp(<3 x i16> %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_sgt_int_m1_bitcast_vector_num_elements_sitofp(
 | |
| ; CHECK-NEXT:    [[F:%.*]] = sitofp <3 x i16> [[I:%.*]] to <3 x float>
 | |
| ; CHECK-NEXT:    [[B:%.*]] = bitcast <3 x float> [[F]] to <6 x i16>
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt <6 x i16> [[B]], <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1>
 | |
| ; CHECK-NEXT:    ret <6 x i1> [[CMP]]
 | |
| ;
 | |
|   %f = sitofp <3 x i16> %i to  <3 x float>
 | |
|   %b = bitcast <3 x float> %f to <6 x i16>
 | |
|   %cmp = icmp sgt <6 x i16> %b, <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1>
 | |
|   ret <6 x i1> %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i16_cast_cmp_sgt_int_m1_bitcast_vector_to_scalar_sitofp(<3 x i16> %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_sgt_int_m1_bitcast_vector_to_scalar_sitofp(
 | |
| ; CHECK-NEXT:    [[F:%.*]] = sitofp <3 x i16> [[I:%.*]] to <3 x float>
 | |
| ; CHECK-NEXT:    [[B:%.*]] = bitcast <3 x float> [[F]] to i96
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i96 [[B]], -1
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = sitofp <3 x i16> %i to  <3 x float>
 | |
|   %b = bitcast <3 x float> %f to i96
 | |
|   %cmp = icmp sgt i96 %b, -1
 | |
|   ret i1 %cmp
 | |
| }
 | |
| 
 | |
| 
 | |
| define <6 x i1> @i16_cast_cmp_eq_int_0_bitcast_vector_num_elements_uitofp(<3 x i16> %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_eq_int_0_bitcast_vector_num_elements_uitofp(
 | |
| ; CHECK-NEXT:    [[F:%.*]] = uitofp <3 x i16> [[I:%.*]] to <3 x float>
 | |
| ; CHECK-NEXT:    [[B:%.*]] = bitcast <3 x float> [[F]] to <6 x i16>
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp eq <6 x i16> [[B]], zeroinitializer
 | |
| ; CHECK-NEXT:    ret <6 x i1> [[CMP]]
 | |
| ;
 | |
|   %f = uitofp <3 x i16> %i to <3 x float>
 | |
|   %b = bitcast <3 x float> %f to <6 x i16>
 | |
|   %cmp = icmp eq <6 x i16> %b, <i16 0, i16 0, i16 0, i16 0, i16 0, i16 0>
 | |
|   ret <6 x i1> %cmp
 | |
| }
 | |
| 
 | |
| define i1 @i16_cast_cmp_eq_int_0_bitcast_vector_to_scalar_uitofp(<3 x i16> %i) {
 | |
| ; CHECK-LABEL: @i16_cast_cmp_eq_int_0_bitcast_vector_to_scalar_uitofp(
 | |
| ; CHECK-NEXT:    [[F:%.*]] = uitofp <3 x i16> [[I:%.*]] to <3 x float>
 | |
| ; CHECK-NEXT:    [[B:%.*]] = bitcast <3 x float> [[F]] to i96
 | |
| ; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i96 [[B]], 0
 | |
| ; CHECK-NEXT:    ret i1 [[CMP]]
 | |
| ;
 | |
|   %f = uitofp <3 x i16> %i to <3 x float>
 | |
|   %b = bitcast <3 x float> %f to i96
 | |
|   %cmp = icmp eq i96 %b, 0
 | |
|   ret i1 %cmp
 | |
| }
 |