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| author | dim <dim@FreeBSD.org> | 2011-06-12 15:42:51 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2011-06-12 15:42:51 +0000 |
| commit | ece02cd5829cea836e9365b0845a8ef042d17b0a (patch) | |
| tree | b3032e51d630e8070e9e08d6641648f195316a80 /test/CodeGen/X86/hoist-common.ll | |
| parent | 2b066988909948dc3d53d01760bc2d71d32f3feb (diff) | |
| download | FreeBSD-src-ece02cd5829cea836e9365b0845a8ef042d17b0a.zip FreeBSD-src-ece02cd5829cea836e9365b0845a8ef042d17b0a.tar.gz | |
Vendor import of llvm trunk r132879:
http://llvm.org/svn/llvm-project/llvm/trunk@132879
Diffstat (limited to 'test/CodeGen/X86/hoist-common.ll')
| -rw-r--r-- | test/CodeGen/X86/hoist-common.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/CodeGen/X86/hoist-common.ll b/test/CodeGen/X86/hoist-common.ll new file mode 100644 index 0000000..72e17c0 --- /dev/null +++ b/test/CodeGen/X86/hoist-common.ll @@ -0,0 +1,28 @@ +; RUN: llc < %s -mtriple=x86_64-apple-macosx | FileCheck %s + +; Common "xorb al, al" instruction in the two successor blocks should be +; moved to the entry block above the test + je. + +; rdar://9145558 + +define zeroext i1 @t(i32 %c) nounwind ssp { +entry: +; CHECK: t: +; CHECK: xorb %al, %al +; CHECK: test +; CHECK: je + %tobool = icmp eq i32 %c, 0 + br i1 %tobool, label %return, label %if.then + +if.then: +; CHECK: callq + %call = tail call zeroext i1 (...)* @foo() nounwind + br label %return + +return: +; CHECK: ret + %retval.0 = phi i1 [ %call, %if.then ], [ false, %entry ] + ret i1 %retval.0 +} + +declare zeroext i1 @foo(...) |
