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