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