65 lines
1.3 KiB
LLVM
65 lines
1.3 KiB
LLVM
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; RUN: opt < %s -S -speculative-execution \
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; RUN: -spec-exec-max-speculation-cost 4 -spec-exec-max-not-hoisted 3 \
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; RUN: | FileCheck %s
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declare float @llvm.fabs.f32(float) nounwind readnone
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declare i32 @llvm.ctlz.i32(i32, i1) nounwind readnone
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declare float @unknown(float)
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declare float @unknown_readnone(float) nounwind readnone
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; CHECK-LABEL: @ifThen_fabs(
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; CHECK: call float @llvm.fabs.f32(
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; CHECK: br i1 true
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define void @ifThen_fabs() {
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br i1 true, label %a, label %b
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a:
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%x = call float @llvm.fabs.f32(float 1.0)
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br label %b
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b:
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ret void
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}
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; CHECK-LABEL: @ifThen_ctlz(
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; CHECK: call i32 @llvm.ctlz.i32(
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; CHECK: br i1 true
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define void @ifThen_ctlz() {
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br i1 true, label %a, label %b
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a:
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%x = call i32 @llvm.ctlz.i32(i32 0, i1 true)
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br label %b
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b:
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ret void
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}
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; CHECK-LABEL: @ifThen_call_sideeffects(
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; CHECK: br i1 true
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; CHECK: call float @unknown(
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define void @ifThen_call_sideeffects() {
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br i1 true, label %a, label %b
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a:
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%x = call float @unknown(float 1.0)
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br label %b
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b:
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ret void
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}
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; CHECK-LABEL: @ifThen_call_readnone(
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; CHECK: br i1 true
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; CHECK: call float @unknown_readnone(
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define void @ifThen_call_readnone() {
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br i1 true, label %a, label %b
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a:
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%x = call float @unknown_readnone(float 1.0)
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br label %b
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b:
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ret void
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}
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