forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			145 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			145 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -mtriple=x86_64-apple-macosx10.10.0 < %s | FileCheck %s
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| 
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| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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| 
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| ; The assertions are *enhanced* from update_test_checks.ll to include
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| ; the constant load values because those are important.
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| 
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| ; CHECK:        [[SIGNMASK1:L.+]]:
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| ; CHECK-NEXT:   .quad -9223372036854775808    ## double -0
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| ; CHECK-NEXT:   .quad -9223372036854775808    ## double -0
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| 
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| define double @mag_pos0_double(double %x) nounwind {
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| ; CHECK-LABEL: mag_pos0_double:
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| ; CHECK:       ## BB#0:
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| ; CHECK-NEXT:    andps [[SIGNMASK1]](%rip), %xmm0
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| ; CHECK-NEXT:    retq
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| ;
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|   %y = call double @copysign(double 0.0, double %x)
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|   ret double %y
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| }
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| 
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| ; CHECK:        [[SIGNMASK2:L.+]]:
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| ; CHECK-NEXT:   .quad -9223372036854775808    ## double -0
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| 
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| define double @mag_neg0_double(double %x) nounwind {
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| ; CHECK-LABEL: mag_neg0_double:
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| ; CHECK:       ## BB#0:
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| ; CHECK-NEXT:    movsd [[SIGNMASK2]](%rip), %xmm1
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| ; CHECK-NEXT:    movlhps {{.*#+}} xmm1 = xmm1[0,0]
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| ; CHECK-NEXT:    andps %xmm1, %xmm0
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| ; CHECK-NEXT:    retq
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| ;
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|   %y = call double @copysign(double -0.0, double %x)
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|   ret double %y
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| }
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| 
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| ; CHECK:        [[SIGNMASK3:L.+]]:
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| ; CHECK-NEXT:   .quad -9223372036854775808    ## double -0
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| ; CHECK-NEXT:   .quad -9223372036854775808    ## double -0
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| ; CHECK:        [[ONE3:L.+]]:
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| ; CHECK-NEXT:   .quad 4607182418800017408     ## double 1
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| 
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| define double @mag_pos1_double(double %x) nounwind {
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| ; CHECK-LABEL: mag_pos1_double:
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| ; CHECK:       ## BB#0:
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| ; CHECK-NEXT:    andps [[SIGNMASK3]](%rip), %xmm0
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| ; CHECK-NEXT:    movsd [[ONE3]](%rip), %xmm1
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| ; CHECK-NEXT:    movlhps {{.*#+}} xmm1 = xmm1[0,0]
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| ; CHECK-NEXT:    orps %xmm1, %xmm0
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| ; CHECK-NEXT:    retq
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| ;
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|   %y = call double @copysign(double 1.0, double %x)
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|   ret double %y
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| }
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| 
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| ; CHECK:        [[SIGNMASK4:L.+]]:
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| ; CHECK-NEXT:   .quad -9223372036854775808    ## double -0
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| ; CHECK-NEXT:   .quad -9223372036854775808    ## double -0
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| ; CHECK:        [[ONE4:L.+]]:
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| ; CHECK-NEXT:   .quad 4607182418800017408     ## double 1
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| ; CHECK-NEXT:   .quad 4607182418800017408     ## double 1
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| 
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| define double @mag_neg1_double(double %x) nounwind {
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| ; CHECK-LABEL: mag_neg1_double:
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| ; CHECK:       ## BB#0:
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| ; CHECK-NEXT:    andps [[SIGNMASK4]](%rip), %xmm0
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| ; CHECK-NEXT:    orps [[ONE4]](%rip), %xmm0
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| ; CHECK-NEXT:    retq
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| ;
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|   %y = call double @copysign(double -1.0, double %x)
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|   ret double %y
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| }
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| 
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| ; CHECK:       [[SIGNMASK5:L.+]]:
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| ; CHECK-NEXT:  .long 2147483648              ## float -0
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| ; CHECK-NEXT:  .long 2147483648              ## float -0
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| 
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| define float @mag_pos0_float(float %x) nounwind {
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| ; CHECK-LABEL: mag_pos0_float:
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| ; CHECK:       ## BB#0:
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| ; CHECK-NEXT:    andps [[SIGNMASK5]](%rip), %xmm0
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| ; CHECK-NEXT:    retq
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| ;
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|   %y = call float @copysignf(float 0.0, float %x)
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|   ret float %y
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| }
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| 
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| ; CHECK:       [[SIGNMASK6:L.+]]:
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| ; CHECK-NEXT:  .long 2147483648              ## float -0
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| 
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| define float @mag_neg0_float(float %x) nounwind {
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| ; CHECK-LABEL: mag_neg0_float:
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| ; CHECK:       ## BB#0:
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| ; CHECK-NEXT:    movss [[SIGNMASK6]](%rip), %xmm1
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| ; CHECK-NEXT:    shufps {{.*#+}} xmm1 = xmm1[0,0,0,0]
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| ; CHECK-NEXT:    andps %xmm1, %xmm0
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| ; CHECK-NEXT:    retq
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| ;
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|   %y = call float @copysignf(float -0.0, float %x)
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|   ret float %y
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| }
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| 
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| ; CHECK:       [[SIGNMASK7:L.+]]:
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| ; CHECK-NEXT:  .long 2147483648              ## float -0
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| ; CHECK-NEXT:  .long 2147483648              ## float -0
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| ; CHECK:        [[ONE7:L.+]]:
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| ; CHECK-NEXT:  .long 1065353216              ## float 1
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| 
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| define float @mag_pos1_float(float %x) nounwind {
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| ; CHECK-LABEL: mag_pos1_float:
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| ; CHECK:       ## BB#0:
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| ; CHECK-NEXT:    andps [[SIGNMASK7]](%rip), %xmm0
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| ; CHECK-NEXT:    movss [[ONE7]](%rip), %xmm1
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| ; CHECK-NEXT:    shufps {{.*#+}} xmm1 = xmm1[0,0,0,0]
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| ; CHECK-NEXT:    orps %xmm1, %xmm0
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| ; CHECK-NEXT:    retq
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| ;
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|   %y = call float @copysignf(float 1.0, float %x)
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|   ret float %y
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| }
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| 
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| ; CHECK:       [[SIGNMASK8:L.+]]:
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| ; CHECK-NEXT:  .long 2147483648              ## float -0
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| ; CHECK-NEXT:  .long 2147483648              ## float -0
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| ; CHECK:        [[ONE8:L.+]]:
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| ; CHECK-NEXT:  .long 1065353216              ## float 1
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| ; CHECK-NEXT:  .long 1065353216              ## float 1
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| ; CHECK-NEXT:  .long 1065353216              ## float 1
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| ; CHECK-NEXT:  .long 1065353216              ## float 1
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| 
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| define float @mag_neg1_float(float %x) nounwind {
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| ; CHECK-LABEL: mag_neg1_float:
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| ; CHECK:       ## BB#0:
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| ; CHECK-NEXT:    andps [[SIGNMASK8]](%rip), %xmm0
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| ; CHECK-NEXT:    orps [[ONE8]](%rip), %xmm0
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| ; CHECK-NEXT:    retq
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| ;
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|   %y = call float @copysignf(float -1.0, float %x)
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|   ret float %y
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| }
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| 
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| declare double @copysign(double, double) nounwind readnone
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| declare float @copysignf(float, float) nounwind readnone
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| 
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