forked from OSchip/llvm-project
45 lines
1.0 KiB
LLVM
45 lines
1.0 KiB
LLVM
; RUN: opt -inline -S < %s | FileCheck %s
|
|
|
|
; PR23216: We can't inline functions using llvm.localescape.
|
|
|
|
declare void @llvm.localescape(...)
|
|
declare i8* @llvm.frameaddress(i32)
|
|
declare i8* @llvm.localrecover(i8*, i8*, i32)
|
|
|
|
define internal void @foo(i8* %fp) {
|
|
%a.i8 = call i8* @llvm.localrecover(i8* bitcast (i32 ()* @bar to i8*), i8* %fp, i32 0)
|
|
%a = bitcast i8* %a.i8 to i32*
|
|
store i32 42, i32* %a
|
|
ret void
|
|
}
|
|
|
|
define internal i32 @bar() {
|
|
entry:
|
|
%a = alloca i32
|
|
call void (...) @llvm.localescape(i32* %a)
|
|
%fp = call i8* @llvm.frameaddress(i32 0)
|
|
tail call void @foo(i8* %fp)
|
|
%r = load i32, i32* %a
|
|
ret i32 %r
|
|
}
|
|
|
|
; We even bail when someone marks it alwaysinline.
|
|
define internal i32 @bar_alwaysinline() alwaysinline {
|
|
entry:
|
|
%a = alloca i32
|
|
call void (...) @llvm.localescape(i32* %a)
|
|
tail call void @foo(i8* null)
|
|
ret i32 0
|
|
}
|
|
|
|
define i32 @bazz() {
|
|
entry:
|
|
%r = tail call i32 @bar()
|
|
%r1 = tail call i32 @bar_alwaysinline()
|
|
ret i32 %r
|
|
}
|
|
|
|
; CHECK: define i32 @bazz()
|
|
; CHECK: call i32 @bar()
|
|
; CHECK: call i32 @bar_alwaysinline()
|