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; RUN: opt -S -instcombine < %s | FileCheck %s
declare void @readnone_but_may_throw() readnone
define void @f_0(i32* %ptr) {
; CHECK-LABEL: @f_0(
entry:
; CHECK: store i32 10, i32* %ptr
; CHECK-NEXT: call void @readnone_but_may_throw()
; CHECK-NEXT: store i32 20, i32* %ptr, align 4
; CHECK: ret void
store i32 10, i32* %ptr
call void @readnone_but_may_throw()
store i32 20, i32* %ptr
ret void
}
define void @f_1(i1 %cond, i32* %ptr) {
; CHECK-LABEL: @f_1(
; CHECK: store i32 10, i32* %ptr
; CHECK-NEXT: call void @readnone_but_may_throw()
store i32 10, i32* %ptr
call void @readnone_but_may_throw()
br i1 %cond, label %left, label %merge
left:
store i32 20, i32* %ptr
br label %merge
merge:
ret void
}
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