481 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			481 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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| ; RUN: llc < %s -ppc-gpr-icmps=all -verify-machineinstrs -mtriple=powerpc64le-unknown-unknown -ppc-convert-rr-to-ri=true | FileCheck %s
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| 
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| define zeroext i1 @all_bits_clear(i32 %P, i32 %Q)  {
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| ; CHECK-LABEL: all_bits_clear:
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| ; CHECK:       # %bb.0:
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| ; CHECK-NEXT:    or 3, 3, 4
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| ; CHECK-NEXT:    cntlzw 3, 3
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| ; CHECK-NEXT:    srwi 3, 3, 5
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| ; CHECK-NEXT:    blr
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|   %a = icmp eq i32 %P, 0
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|   %b = icmp eq i32 %Q, 0
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|   %c = and i1 %a, %b
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|   ret i1 %c
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| }
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| 
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| define zeroext i1 @all_sign_bits_clear(i32 %P, i32 %Q)  {
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| ; CHECK-LABEL: all_sign_bits_clear:
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| ; CHECK:       # %bb.0:
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| ; CHECK-NEXT:    or 3, 3, 4
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| ; CHECK-NEXT:    nor 3, 3, 3
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| ; CHECK-NEXT:    srwi 3, 3, 31
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| ; CHECK-NEXT:    blr
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|   %a = icmp sgt i32 %P, -1
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|   %b = icmp sgt i32 %Q, -1
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|   %c = and i1 %a, %b
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|   ret i1 %c
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| }
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| 
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| define zeroext i1 @all_bits_set(i32 %P, i32 %Q)  {
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| ; CHECK-LABEL: all_bits_set:
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| ; CHECK:       # %bb.0:
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| ; CHECK-NEXT:    li 5, -1
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| ; CHECK-NEXT:    and 3, 3, 4
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| ; CHECK-NEXT:    xor 3, 3, 5
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| ; CHECK-NEXT:    cntlzw 3, 3
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| ; CHECK-NEXT:    srwi 3, 3, 5
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| ; CHECK-NEXT:    blr
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|   %a = icmp eq i32 %P, -1
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|   %b = icmp eq i32 %Q, -1
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|   %c = and i1 %a, %b
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|   ret i1 %c
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| }
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| 
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| define zeroext i1 @all_sign_bits_set(i32 %P, i32 %Q)  {
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| ; CHECK-LABEL: all_sign_bits_set:
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| ; CHECK:       # %bb.0:
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| ; CHECK-NEXT:    and 3, 3, 4
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| ; CHECK-NEXT:    srwi 3, 3, 31
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| ; CHECK-NEXT:    blr
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|   %a = icmp slt i32 %P, 0
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|   %b = icmp slt i32 %Q, 0
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|   %c = and i1 %a, %b
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|   ret i1 %c
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| }
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| 
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| define zeroext i1 @any_bits_set(i32 %P, i32 %Q)  {
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| ; CHECK-LABEL: any_bits_set:
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| ; CHECK:       # %bb.0:
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| ; CHECK-NEXT:    or 3, 3, 4
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| ; CHECK-NEXT:    cntlzw 3, 3
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| ; CHECK-NEXT:    srwi 3, 3, 5
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| ; CHECK-NEXT:    xori 3, 3, 1
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| ; CHECK-NEXT:    blr
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|   %a = icmp ne i32 %P, 0
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|   %b = icmp ne i32 %Q, 0
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|   %c = or i1 %a, %b
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|   ret i1 %c
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| }
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| 
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| define zeroext i1 @any_sign_bits_set(i32 %P, i32 %Q)  {
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| ; CHECK-LABEL: any_sign_bits_set:
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| ; CHECK:       # %bb.0:
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| ; CHECK-NEXT:    or 3, 3, 4
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| ; CHECK-NEXT:    srwi 3, 3, 31
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| ; CHECK-NEXT:    blr
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|   %a = icmp slt i32 %P, 0
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|   %b = icmp slt i32 %Q, 0
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|   %c = or i1 %a, %b
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|   ret i1 %c
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| }
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| 
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| define zeroext i1 @any_bits_clear(i32 %P, i32 %Q)  {
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| ; CHECK-LABEL: any_bits_clear:
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| ; CHECK:       # %bb.0:
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| ; CHECK-NEXT:    li 5, -1
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| ; CHECK-NEXT:    and 3, 3, 4
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| ; CHECK-NEXT:    xor 3, 3, 5
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| ; CHECK-NEXT:    cntlzw 3, 3
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| ; CHECK-NEXT:    srwi 3, 3, 5
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| ; CHECK-NEXT:    xori 3, 3, 1
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| ; CHECK-NEXT:    blr
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|   %a = icmp ne i32 %P, -1
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|   %b = icmp ne i32 %Q, -1
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|   %c = or i1 %a, %b
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|   ret i1 %c
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| }
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| 
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| define zeroext i1 @any_sign_bits_clear(i32 %P, i32 %Q)  {
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| ; CHECK-LABEL: any_sign_bits_clear:
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| ; CHECK:       # %bb.0:
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| ; CHECK-NEXT:    and 3, 3, 4
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| ; CHECK-NEXT:    nor 3, 3, 3
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| ; CHECK-NEXT:    srwi 3, 3, 31
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| ; CHECK-NEXT:    blr
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|   %a = icmp sgt i32 %P, -1
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|   %b = icmp sgt i32 %Q, -1
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|   %c = or i1 %a, %b
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|   ret i1 %c
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| }
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| 
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| ; PR3351 - (P == 0) & (Q == 0) -> (P|Q) == 0
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| define i32 @all_bits_clear_branch(i32* %P, i32* %Q)  {
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| ; CHECK-LABEL: all_bits_clear_branch:
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| ; CHECK:       # %bb.0: # %entry
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| ; CHECK-NEXT:    or. 3, 3, 4
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| ; CHECK-NEXT:    bne 0, .LBB8_2
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| ; CHECK-NEXT:  # %bb.1: # %bb1
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| ; CHECK-NEXT:    li 3, 4
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| ; CHECK-NEXT:    blr
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| ; CHECK-NEXT:  .LBB8_2: # %return
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| ; CHECK-NEXT:    li 3, 192
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| ; CHECK-NEXT:    blr
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| entry:
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|   %a = icmp eq i32* %P, null
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|   %b = icmp eq i32* %Q, null
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|   %c = and i1 %a, %b
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|   br i1 %c, label %bb1, label %return
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| 
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| bb1:
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|   ret i32 4
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| 
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| return:
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|   ret i32 192
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| }
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| 
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| define i32 @all_sign_bits_clear_branch(i32 %P, i32 %Q)  {
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| ; CHECK-LABEL: all_sign_bits_clear_branch:
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| ; CHECK:       # %bb.0: # %entry
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| ; CHECK-NEXT:    or 3, 3, 4
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| ; CHECK-NEXT:    cmpwi 0, 3, 0
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| ; CHECK-NEXT:    blt 0, .LBB9_2
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| ; CHECK-NEXT:  # %bb.1: # %bb1
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| ; CHECK-NEXT:    li 3, 4
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| ; CHECK-NEXT:    blr
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| ; CHECK-NEXT:  .LBB9_2: # %return
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| ; CHECK-NEXT:    li 3, 192
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| ; CHECK-NEXT:    blr
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| entry:
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|   %a = icmp sgt i32 %P, -1
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|   %b = icmp sgt i32 %Q, -1
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|   %c = and i1 %a, %b
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|   br i1 %c, label %bb1, label %return
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| 
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| bb1:
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|   ret i32 4
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| 
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| return:
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|   ret i32 192
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| }
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| 
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| define i32 @all_bits_set_branch(i32 %P, i32 %Q)  {
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| ; CHECK-LABEL: all_bits_set_branch:
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| ; CHECK:       # %bb.0: # %entry
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| ; CHECK-NEXT:    and 3, 3, 4
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| ; CHECK-NEXT:    cmpwi 0, 3, -1
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| ; CHECK-NEXT:    bne 0, .LBB10_2
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| ; CHECK-NEXT:  # %bb.1: # %bb1
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| ; CHECK-NEXT:    li 3, 4
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| ; CHECK-NEXT:    blr
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| ; CHECK-NEXT:  .LBB10_2: # %return
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| ; CHECK-NEXT:    li 3, 192
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| ; CHECK-NEXT:    blr
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| entry:
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|   %a = icmp eq i32 %P, -1
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|   %b = icmp eq i32 %Q, -1
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|   %c = and i1 %a, %b
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|   br i1 %c, label %bb1, label %return
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| 
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| bb1:
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|   ret i32 4
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| 
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| return:
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|   ret i32 192
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| }
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| 
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| define i32 @all_sign_bits_set_branch(i32 %P, i32 %Q)  {
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| ; CHECK-LABEL: all_sign_bits_set_branch:
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| ; CHECK:       # %bb.0: # %entry
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| ; CHECK-NEXT:    and 3, 3, 4
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| ; CHECK-NEXT:    cmpwi 0, 3, -1
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| ; CHECK-NEXT:    bgt 0, .LBB11_2
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| ; CHECK-NEXT:  # %bb.1: # %bb1
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| ; CHECK-NEXT:    li 3, 4
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| ; CHECK-NEXT:    blr
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| ; CHECK-NEXT:  .LBB11_2: # %return
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| ; CHECK-NEXT:    li 3, 192
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| ; CHECK-NEXT:    blr
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| entry:
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|   %a = icmp slt i32 %P, 0
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|   %b = icmp slt i32 %Q, 0
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|   %c = and i1 %a, %b
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|   br i1 %c, label %bb1, label %return
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| 
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| bb1:
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|   ret i32 4
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| 
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| return:
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|   ret i32 192
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| }
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| 
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| ; PR3351 - (P != 0) | (Q != 0) -> (P|Q) != 0
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| define i32 @any_bits_set_branch(i32* %P, i32* %Q)  {
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| ; CHECK-LABEL: any_bits_set_branch:
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| ; CHECK:       # %bb.0: # %entry
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| ; CHECK-NEXT:    or. 3, 3, 4
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| ; CHECK-NEXT:    beq 0, .LBB12_2
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| ; CHECK-NEXT:  # %bb.1: # %bb1
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| ; CHECK-NEXT:    li 3, 4
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| ; CHECK-NEXT:    blr
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| ; CHECK-NEXT:  .LBB12_2: # %return
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| ; CHECK-NEXT:    li 3, 192
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| ; CHECK-NEXT:    blr
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| entry:
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|   %a = icmp ne i32* %P, null
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|   %b = icmp ne i32* %Q, null
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|   %c = or i1 %a, %b
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|   br i1 %c, label %bb1, label %return
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| 
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| bb1:
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|   ret i32 4
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| 
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| return:
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|   ret i32 192
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| }
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| 
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| define i32 @any_sign_bits_set_branch(i32 %P, i32 %Q)  {
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| ; CHECK-LABEL: any_sign_bits_set_branch:
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| ; CHECK:       # %bb.0: # %entry
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| ; CHECK-NEXT:    or 3, 3, 4
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| ; CHECK-NEXT:    cmpwi 0, 3, -1
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| ; CHECK-NEXT:    bgt 0, .LBB13_2
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| ; CHECK-NEXT:  # %bb.1: # %bb1
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| ; CHECK-NEXT:    li 3, 4
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| ; CHECK-NEXT:    blr
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| ; CHECK-NEXT:  .LBB13_2: # %return
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| ; CHECK-NEXT:    li 3, 192
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| ; CHECK-NEXT:    blr
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| entry:
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|   %a = icmp slt i32 %P, 0
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|   %b = icmp slt i32 %Q, 0
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|   %c = or i1 %a, %b
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|   br i1 %c, label %bb1, label %return
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| 
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| bb1:
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|   ret i32 4
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| 
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| return:
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|   ret i32 192
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| }
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| 
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| define i32 @any_bits_clear_branch(i32 %P, i32 %Q)  {
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| ; CHECK-LABEL: any_bits_clear_branch:
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| ; CHECK:       # %bb.0: # %entry
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| ; CHECK-NEXT:    and 3, 3, 4
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| ; CHECK-NEXT:    cmpwi 0, 3, -1
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| ; CHECK-NEXT:    beq 0, .LBB14_2
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| ; CHECK-NEXT:  # %bb.1: # %bb1
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| ; CHECK-NEXT:    li 3, 4
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| ; CHECK-NEXT:    blr
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| ; CHECK-NEXT:  .LBB14_2: # %return
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| ; CHECK-NEXT:    li 3, 192
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| ; CHECK-NEXT:    blr
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| entry:
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|   %a = icmp ne i32 %P, -1
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|   %b = icmp ne i32 %Q, -1
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|   %c = or i1 %a, %b
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|   br i1 %c, label %bb1, label %return
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| 
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| bb1:
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|   ret i32 4
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| 
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| return:
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|   ret i32 192
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| }
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| 
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| define i32 @any_sign_bits_clear_branch(i32 %P, i32 %Q)  {
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| ; CHECK-LABEL: any_sign_bits_clear_branch:
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| ; CHECK:       # %bb.0: # %entry
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| ; CHECK-NEXT:    and 3, 3, 4
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| ; CHECK-NEXT:    cmpwi 0, 3, 0
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| ; CHECK-NEXT:    blt 0, .LBB15_2
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| ; CHECK-NEXT:  # %bb.1: # %bb1
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| ; CHECK-NEXT:    li 3, 4
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| ; CHECK-NEXT:    blr
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| ; CHECK-NEXT:  .LBB15_2: # %return
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| ; CHECK-NEXT:    li 3, 192
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| ; CHECK-NEXT:    blr
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| entry:
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|   %a = icmp sgt i32 %P, -1
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|   %b = icmp sgt i32 %Q, -1
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|   %c = or i1 %a, %b
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|   br i1 %c, label %bb1, label %return
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| 
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| bb1:
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|   ret i32 4
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| 
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| return:
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|   ret i32 192
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| }
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| 
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| define <4 x i1> @all_bits_clear_vec(<4 x i32> %P, <4 x i32> %Q) {
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| ; CHECK-LABEL: all_bits_clear_vec:
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| ; CHECK:       # %bb.0:
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| ; CHECK-NEXT:    xxlxor 36, 36, 36
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| ; CHECK-NEXT:    xxlor 34, 34, 35
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| ; CHECK-NEXT:    vcmpequw 2, 2, 4
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| ; CHECK-NEXT:    blr
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|   %a = icmp eq <4 x i32> %P, zeroinitializer
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|   %b = icmp eq <4 x i32> %Q, zeroinitializer
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|   %c = and <4 x i1> %a, %b
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|   ret <4 x i1> %c
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| }
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| 
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| define <4 x i1> @all_sign_bits_clear_vec(<4 x i32> %P, <4 x i32> %Q) {
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| ; CHECK-LABEL: all_sign_bits_clear_vec:
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| ; CHECK:       # %bb.0:
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| ; CHECK-NEXT:    vspltisb 4, -1
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| ; CHECK-NEXT:    xxlor 34, 34, 35
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| ; CHECK-NEXT:    vcmpgtsw 2, 2, 4
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| ; CHECK-NEXT:    blr
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|   %a = icmp sgt <4 x i32> %P, <i32 -1, i32 -1, i32 -1, i32 -1>
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|   %b = icmp sgt <4 x i32> %Q, <i32 -1, i32 -1, i32 -1, i32 -1>
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|   %c = and <4 x i1> %a, %b
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|   ret <4 x i1> %c
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| }
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| 
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| define <4 x i1> @all_bits_set_vec(<4 x i32> %P, <4 x i32> %Q) {
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| ; CHECK-LABEL: all_bits_set_vec:
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| ; CHECK:       # %bb.0:
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| ; CHECK-NEXT:    vspltisb 4, -1
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| ; CHECK-NEXT:    xxland 34, 34, 35
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| ; CHECK-NEXT:    vcmpequw 2, 2, 4
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| ; CHECK-NEXT:    blr
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|   %a = icmp eq <4 x i32> %P, <i32 -1, i32 -1, i32 -1, i32 -1>
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|   %b = icmp eq <4 x i32> %Q, <i32 -1, i32 -1, i32 -1, i32 -1>
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|   %c = and <4 x i1> %a, %b
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|   ret <4 x i1> %c
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| }
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| 
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| define <4 x i1> @all_sign_bits_set_vec(<4 x i32> %P, <4 x i32> %Q) {
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| ; CHECK-LABEL: all_sign_bits_set_vec:
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| ; CHECK:       # %bb.0:
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| ; CHECK-NEXT:    xxlxor 36, 36, 36
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| ; CHECK-NEXT:    xxland 34, 34, 35
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| ; CHECK-NEXT:    vcmpgtsw 2, 4, 2
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| ; CHECK-NEXT:    blr
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|   %a = icmp slt <4 x i32> %P, zeroinitializer
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|   %b = icmp slt <4 x i32> %Q, zeroinitializer
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|   %c = and <4 x i1> %a, %b
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|   ret <4 x i1> %c
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| }
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| 
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| define <4 x i1> @any_bits_set_vec(<4 x i32> %P, <4 x i32> %Q) {
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| ; CHECK-LABEL: any_bits_set_vec:
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| ; CHECK:       # %bb.0:
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| ; CHECK-NEXT:    xxlxor 36, 36, 36
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| ; CHECK-NEXT:    xxlor 34, 34, 35
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| ; CHECK-NEXT:    vcmpequw 2, 2, 4
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| ; CHECK-NEXT:    xxlnor 34, 34, 34
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| ; CHECK-NEXT:    blr
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|   %a = icmp ne <4 x i32> %P, zeroinitializer
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|   %b = icmp ne <4 x i32> %Q, zeroinitializer
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|   %c = or <4 x i1> %a, %b
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|   ret <4 x i1> %c
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| }
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| 
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| define <4 x i1> @any_sign_bits_set_vec(<4 x i32> %P, <4 x i32> %Q) {
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| ; CHECK-LABEL: any_sign_bits_set_vec:
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| ; CHECK:       # %bb.0:
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| ; CHECK-NEXT:    xxlxor 36, 36, 36
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| ; CHECK-NEXT:    xxlor 34, 34, 35
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| ; CHECK-NEXT:    vcmpgtsw 2, 4, 2
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| ; CHECK-NEXT:    blr
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|   %a = icmp slt <4 x i32> %P, zeroinitializer
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|   %b = icmp slt <4 x i32> %Q, zeroinitializer
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|   %c = or <4 x i1> %a, %b
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|   ret <4 x i1> %c
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| }
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| 
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| define <4 x i1> @any_bits_clear_vec(<4 x i32> %P, <4 x i32> %Q) {
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| ; CHECK-LABEL: any_bits_clear_vec:
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| ; CHECK:       # %bb.0:
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| ; CHECK-NEXT:    vspltisb 4, -1
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| ; CHECK-NEXT:    xxland 34, 34, 35
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| ; CHECK-NEXT:    vcmpequw 2, 2, 4
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| ; CHECK-NEXT:    xxlnor 34, 34, 34
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| ; CHECK-NEXT:    blr
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|   %a = icmp ne <4 x i32> %P, <i32 -1, i32 -1, i32 -1, i32 -1>
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|   %b = icmp ne <4 x i32> %Q, <i32 -1, i32 -1, i32 -1, i32 -1>
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|   %c = or <4 x i1> %a, %b
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|   ret <4 x i1> %c
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| }
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| 
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| define <4 x i1> @any_sign_bits_clear_vec(<4 x i32> %P, <4 x i32> %Q) {
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| ; CHECK-LABEL: any_sign_bits_clear_vec:
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| ; CHECK:       # %bb.0:
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| ; CHECK-NEXT:    vspltisb 4, -1
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| ; CHECK-NEXT:    xxland 34, 34, 35
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| ; CHECK-NEXT:    vcmpgtsw 2, 2, 4
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| ; CHECK-NEXT:    blr
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|   %a = icmp sgt <4 x i32> %P, <i32 -1, i32 -1, i32 -1, i32 -1>
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|   %b = icmp sgt <4 x i32> %Q, <i32 -1, i32 -1, i32 -1, i32 -1>
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|   %c = or <4 x i1> %a, %b
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|   ret <4 x i1> %c
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| }
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| 
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| define zeroext i1 @ne_neg1_and_ne_zero(i64 %x) {
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| ; CHECK-LABEL: ne_neg1_and_ne_zero:
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| ; CHECK:       # %bb.0:
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| ; CHECK-NEXT:    addi 3, 3, 1
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| ; CHECK-NEXT:    li 4, 1
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| ; CHECK-NEXT:    subfic 3, 3, 1
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| ; CHECK-NEXT:    subfe 3, 4, 4
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| ; CHECK-NEXT:    neg 3, 3
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| ; CHECK-NEXT:    blr
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|   %cmp1 = icmp ne i64 %x, -1
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|   %cmp2 = icmp ne i64 %x, 0
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|   %and = and i1 %cmp1, %cmp2
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|   ret i1 %and
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| }
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| 
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| ; PR32401 - https://bugs.llvm.org/show_bug.cgi?id=32401
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| 
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| define zeroext i1 @and_eq(i16 zeroext  %a, i16 zeroext %b, i16 zeroext %c, i16 zeroext %d) {
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| ; CHECK-LABEL: and_eq:
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| ; CHECK:       # %bb.0:
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| ; CHECK-NEXT:    xor 5, 5, 6
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| ; CHECK-NEXT:    xor 3, 3, 4
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| ; CHECK-NEXT:    or 3, 3, 5
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| ; CHECK-NEXT:    cntlzw 3, 3
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| ; CHECK-NEXT:    srwi 3, 3, 5
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| ; CHECK-NEXT:    blr
 | |
|   %cmp1 = icmp eq i16 %a, %b
 | |
|   %cmp2 = icmp eq i16 %c, %d
 | |
|   %and = and i1 %cmp1, %cmp2
 | |
|   ret i1 %and
 | |
| }
 | |
| 
 | |
| define zeroext i1 @or_ne(i32 %a, i32 %b, i32 %c, i32 %d) {
 | |
| ; CHECK-LABEL: or_ne:
 | |
| ; CHECK:       # %bb.0:
 | |
| ; CHECK-NEXT:    xor 5, 5, 6
 | |
| ; CHECK-NEXT:    xor 3, 3, 4
 | |
| ; CHECK-NEXT:    or 3, 3, 5
 | |
| ; CHECK-NEXT:    cntlzw 3, 3
 | |
| ; CHECK-NEXT:    srwi 3, 3, 5
 | |
| ; CHECK-NEXT:    xori 3, 3, 1
 | |
| ; CHECK-NEXT:    blr
 | |
|   %cmp1 = icmp ne i32 %a, %b
 | |
|   %cmp2 = icmp ne i32 %c, %d
 | |
|   %or = or i1 %cmp1, %cmp2
 | |
|   ret i1 %or
 | |
| }
 | |
| 
 | |
| ; This should not be transformed because vector compares + bitwise logic are faster.
 | |
| 
 | |
| define <4 x i1> @and_eq_vec(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c, <4 x i32> %d) {
 | |
| ; CHECK-LABEL: and_eq_vec:
 | |
| ; CHECK:       # %bb.0:
 | |
| ; CHECK-NEXT:    vcmpequw 2, 2, 3
 | |
| ; CHECK-NEXT:    vcmpequw 3, 4, 5
 | |
| ; CHECK-NEXT:    xxland 34, 34, 35
 | |
| ; CHECK-NEXT:    blr
 | |
|   %cmp1 = icmp eq <4 x i32> %a, %b
 | |
|   %cmp2 = icmp eq <4 x i32> %c, %d
 | |
|   %and = and <4 x i1> %cmp1, %cmp2
 | |
|   ret <4 x i1> %and
 | |
| }
 | |
| 
 |