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59 lines
1.2 KiB
LLVM
59 lines
1.2 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl --show-mc-encoding | FileCheck %s
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; CHECK-LABEL: test1
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; CHECK: vucomisd {{.*}}encoding: [0x62
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define double @test1(double %a, double %b) nounwind {
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%tobool = fcmp une double %a, %b
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br i1 %tobool, label %l1, label %l2
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l1:
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%c = fsub double %a, %b
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ret double %c
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l2:
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%c1 = fadd double %a, %b
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ret double %c1
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}
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; CHECK-LABEL: test2
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; CHECK: vucomiss {{.*}}encoding: [0x62
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define float @test2(float %a, float %b) nounwind {
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%tobool = fcmp olt float %a, %b
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br i1 %tobool, label %l1, label %l2
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l1:
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%c = fsub float %a, %b
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ret float %c
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l2:
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%c1 = fadd float %a, %b
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ret float %c1
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}
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; CHECK-LABEL: test3
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; CHECK: vcmpeqss
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; CHECK: kmov
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; CHECK: ret
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define i32 @test3(float %a, float %b) {
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%cmp10.i = fcmp oeq float %a, %b
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%conv11.i = zext i1 %cmp10.i to i32
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ret i32 %conv11.i
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}
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; CHECK-LABEL: test4
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; CHECK: kortestw
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; CHECK: jne
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; CHECK: ret
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declare i32 @llvm.x86.avx512.kortestz.w(i16, i16)
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define i16 @test4(i16 %a, i16 %b) {
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%kortz = call i32 @llvm.x86.avx512.kortestz.w(i16 %a, i16 %b)
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%t1 = and i32 %kortz, 1
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%res = icmp eq i32 %t1, 0
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br i1 %res, label %A, label %B
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A: ret i16 %a
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B:
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%b1 = add i16 %a, %b
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ret i16 %b1
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} |