diff options
| author | Chris Lattner <sabre@nondot.org> | 2008-04-23 05:38:20 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-04-23 05:38:20 +0000 |
| commit | c6ee00b8eec0a682f25810c7912272cd76c87a2c (patch) | |
| tree | bd5bb5e9c946db4ef77ef0c4e9b55f8ab6dbb5b6 /test/Transforms/SCCP | |
| parent | a925a14698fd58b495083542df16e6096aee6f37 (diff) | |
| download | external_llvm-c6ee00b8eec0a682f25810c7912272cd76c87a2c.zip external_llvm-c6ee00b8eec0a682f25810c7912272cd76c87a2c.tar.gz external_llvm-c6ee00b8eec0a682f25810c7912272cd76c87a2c.tar.bz2 | |
Rewrite multiple return value handling in SCCP. Before, the -sccp pass
would turn every getresult instruction into undef. This helps with
rdar://5778210
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50140 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/SCCP')
| -rw-r--r-- | test/Transforms/SCCP/2008-04-22-multiple-ret-sccp.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/Transforms/SCCP/2008-04-22-multiple-ret-sccp.ll b/test/Transforms/SCCP/2008-04-22-multiple-ret-sccp.ll new file mode 100644 index 0000000..99f9136 --- /dev/null +++ b/test/Transforms/SCCP/2008-04-22-multiple-ret-sccp.ll @@ -0,0 +1,11 @@ +; RUN: llvm-as < %s | opt -sccp | llvm-dis | grep {ret i32 %Z} +; rdar://5778210 + +declare {i32, i32} @bar(i32 %A) + +define i32 @foo() { + %X = call {i32, i32} @bar(i32 17) + %Y = getresult {i32, i32} %X, 0 + %Z = add i32 %Y, %Y + ret i32 %Z +} |