1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146
|
; 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: 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: 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
; 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: 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-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: 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-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
|