96 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			96 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s -mtriple=arm64-apple-ios7.0 | FileCheck %s
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| 
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| define void @test_load_store(half* %in, half* %out) {
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| ; CHECK-LABEL: test_load_store:
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| ; CHECK: ldr [[TMP:h[0-9]+]], [x0]
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| ; CHECK: str [[TMP]], [x1]
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|   %val = load half, half* %in
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|   store half %val, half* %out
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|   ret void
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| }
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| 
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| define i16 @test_bitcast_from_half(half* %addr) {
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| ; CHECK-LABEL: test_bitcast_from_half:
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| ; CHECK: ldrh w0, [x0]
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|   %val = load half, half* %addr
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|   %val_int = bitcast half %val to i16
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|   ret i16 %val_int
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| }
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| 
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| define i16 @test_reg_bitcast_from_half(half %in) {
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| ; CHECK-LABEL: test_reg_bitcast_from_half:
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| ; CHECK-NOT: str
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| ; CHECK-NOT: ldr
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| ; CHECK-DAG: fmov w0, s0
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| ; CHECK: ret
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|   %val = bitcast half %in to i16
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|   ret i16 %val
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| }
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| 
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| define void @test_bitcast_to_half(half* %addr, i16 %in) {
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| ; CHECK-LABEL: test_bitcast_to_half:
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| ; CHECK: strh w1, [x0]
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|   %val_fp = bitcast i16 %in to half
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|   store half %val_fp, half* %addr
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|   ret void
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| }
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| 
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| define half @test_reg_bitcast_to_half(i16 %in) {
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| ; CHECK-LABEL: test_reg_bitcast_to_half:
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| ; CHECK-NOT: str
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| ; CHECK-NOT: ldr
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| ; CHECK-DAG: fmov s0, w0
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| ; CHECK: ret
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| 
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|   %val = bitcast i16 %in to half
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|   ret half %val
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| }
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| 
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| define float @test_extend32(half* %addr) {
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| ; CHECK-LABEL: test_extend32:
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| ; CHECK: fcvt {{s[0-9]+}}, {{h[0-9]+}}
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| 
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|   %val16 = load half, half* %addr
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|   %val32 = fpext half %val16 to float
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|   ret float %val32
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| }
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| 
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| define double @test_extend64(half* %addr) {
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| ; CHECK-LABEL: test_extend64:
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| ; CHECK: fcvt {{d[0-9]+}}, {{h[0-9]+}}
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| 
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|   %val16 = load half, half* %addr
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|   %val32 = fpext half %val16 to double
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|   ret double %val32
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| }
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| 
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| define void @test_trunc32(float %in, half* %addr) {
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| ; CHECK-LABEL: test_trunc32:
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| ; CHECK: fcvt {{h[0-9]+}}, {{s[0-9]+}}
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| 
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|   %val16 = fptrunc float %in to half
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|   store half %val16, half* %addr
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|   ret void
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| }
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| 
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| define void @test_trunc64(double %in, half* %addr) {
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| ; CHECK-LABEL: test_trunc64:
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| ; CHECK: fcvt {{h[0-9]+}}, {{d[0-9]+}}
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| 
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|   %val16 = fptrunc double %in to half
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|   store half %val16, half* %addr
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|   ret void
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| }
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| 
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| define i16 @test_fccmp(i1 %a) {
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| ;CHECK-LABEL: test_fccmp:
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| ;CHECK: fcmp
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|   %cmp0 = fcmp ogt half 0xH3333, undef
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|   %cmp1 = fcmp ogt half 0xH2222, undef
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|   %x = select i1 %cmp0, i16 0, i16 undef
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|   %or = or i1 %cmp1, %cmp0
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|   %y = select i1 %or, i16 4, i16 undef
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|   %r = add i16 %x, %y
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|   ret i16 %r
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| }
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