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