30 lines
565 B
LLVM
30 lines
565 B
LLVM
; RUN: opt < %s -passes=tailcallelim -verify-dom-info -S | FileCheck %s
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; Test that we don't tail call in a functions that calls returns_twice
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; functions.
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declare void @bar()
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; CHECK: foo1
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; CHECK-NOT: tail call void @bar()
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define void @foo1(ptr %x) {
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bb:
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%tmp75 = tail call i32 @setjmp(ptr %x)
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call void @bar()
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ret void
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}
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declare i32 @setjmp(ptr) returns_twice
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; CHECK: foo2
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; CHECK-NOT: tail call void @bar()
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define void @foo2(ptr %x) {
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bb:
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%tmp75 = tail call i32 @zed2(ptr %x)
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call void @bar()
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ret void
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}
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declare i32 @zed2(ptr) returns_twice
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