diff options
Diffstat (limited to 'test/Transforms/TailCallElim/setjmp.ll')
-rw-r--r-- | test/Transforms/TailCallElim/setjmp.ll | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/test/Transforms/TailCallElim/setjmp.ll b/test/Transforms/TailCallElim/setjmp.ll index 7b7fe56..7ef9cb3 100644 --- a/test/Transforms/TailCallElim/setjmp.ll +++ b/test/Transforms/TailCallElim/setjmp.ll @@ -1,10 +1,14 @@ ; RUN: opt < %s -tailcallelim -S | FileCheck %s -; Test that we don't tail call in a functions that calls setjmp. +; Test that we don't tail call in a functions that calls returns_twice +; functions. +declare void @bar() + +; CHECK: foo1 ; CHECK-NOT: tail call void @bar() -define void @foo(i32* %x) { +define void @foo1(i32* %x) { bb: %tmp75 = tail call i32 @setjmp(i32* %x) call void @bar() @@ -13,4 +17,13 @@ bb: declare i32 @setjmp(i32*) -declare void @bar() +; CHECK: foo2 +; CHECK-NOT: tail call void @bar() + +define void @foo2(i32* %x) { +bb: + %tmp75 = tail call i32 @zed2(i32* %x) + call void @bar() + ret void +} +declare i32 @zed2(i32*) returns_twice |