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author | Chris Lattner <sabre@nondot.org> | 2010-08-12 22:25:23 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2010-08-12 22:25:23 +0000 |
commit | 1522ce9770567aeb67eae374c83fd0bdce949305 (patch) | |
tree | a7f63f76014d5edf0665b04d0c742a2437988cb6 /test/Transforms/SCCP | |
parent | 64baddc0f26f3cbe25d573f3c334d11fe3dbefea (diff) | |
download | llvm-1522ce9770567aeb67eae374c83fd0bdce949305.tar.gz llvm-1522ce9770567aeb67eae374c83fd0bdce949305.tar.bz2 llvm-1522ce9770567aeb67eae374c83fd0bdce949305.tar.xz |
fix PR7876: If ipsccp decides that a function's address is taken
before it rewrites the code, we need to use that in the post-rewrite pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110962 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/SCCP')
-rw-r--r-- | test/Transforms/SCCP/ipsccp-addr-taken.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/Transforms/SCCP/ipsccp-addr-taken.ll b/test/Transforms/SCCP/ipsccp-addr-taken.ll new file mode 100644 index 0000000000..c6572fa5d1 --- /dev/null +++ b/test/Transforms/SCCP/ipsccp-addr-taken.ll @@ -0,0 +1,28 @@ +; RUN: opt %s -ipsccp -S | FileCheck %s +; PR7876 +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" +target triple = "x86_64-apple-darwin10.0.0" + +define internal i32 @foo() nounwind noinline ssp { +entry: + ret i32 0 +; CHECK: @foo +; CHECK: entry: +; CHECK: ret i32 0 +} + +declare i32 @bar() + +define internal i32 @test(i32 %c) nounwind noinline ssp { +bb: + %tmp1 = icmp ne i32 %c, 0 ; <i1> [#uses=1] + %tmp2 = select i1 %tmp1, i32 ()* @foo, i32 ()* @bar ; <i32 ()*> [#uses=1] + %tmp3 = tail call i32 %tmp2() nounwind ; <i32> [#uses=1] + ret i32 %tmp3 +} + +define i32 @main() nounwind ssp { +bb: + %tmp = tail call i32 @test(i32 1) ; <i32> [#uses=1] + ret i32 %tmp +} |