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| author | Evan Cheng <evan.cheng@apple.com> | 2010-03-10 03:07:41 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2010-03-10 03:07:41 +0000 |
| commit | fac4f1f1815b54346a805834a8c19d573ce8856c (patch) | |
| tree | 7d96230aae477b51f64bbdeaab85a8dd9f4e8427 /test/CodeGen/X86/machine-cse.ll | |
| parent | 974c0fb4047f7d9f190f6ca5780c7a06e6c40914 (diff) | |
| download | llvm-fac4f1f1815b54346a805834a8c19d573ce8856c.tar.gz llvm-fac4f1f1815b54346a805834a8c19d573ce8856c.tar.bz2 llvm-fac4f1f1815b54346a805834a8c19d573ce8856c.tar.xz | |
Enable machine cse pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98132 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/machine-cse.ll')
| -rw-r--r-- | test/CodeGen/X86/machine-cse.ll | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/test/CodeGen/X86/machine-cse.ll b/test/CodeGen/X86/machine-cse.ll new file mode 100644 index 0000000000..a8afdc84c5 --- /dev/null +++ b/test/CodeGen/X86/machine-cse.ll @@ -0,0 +1,39 @@ +; RUN: llc -mtriple=x86_64-apple-darwin < %s | FileCheck %s +; rdar://7610418 + +%ptr = type { i8* } +%struct.s1 = type { %ptr, %ptr } +%struct.s2 = type { i32, i8*, i8*, [256 x %struct.s1*], [8 x i32], i64, i8*, i32, i64, i64, i32, %struct.s3*, %struct.s3*, [49 x i64] } +%struct.s3 = type { %struct.s3*, %struct.s3*, i32, i32, i32 } + +define fastcc i8* @t(i64 %size) nounwind { +entry: +; CHECK: t: +; CHECK: leaq (%rax,%rax,4) + %0 = zext i32 undef to i64 + %1 = getelementptr inbounds %struct.s2* null, i64 %0 + br i1 undef, label %bb1, label %bb2 + +bb1: +; CHECK: %bb1 +; CHECK-NOT: shlq $9 +; CHECK-NOT: leaq +; CHECK: call + %2 = getelementptr inbounds %struct.s2* null, i64 %0, i32 0 + call void @bar(i32* %2) nounwind + unreachable + +bb2: +; CHECK: %bb2 +; CHECK-NOT: leaq +; CHECK: callq + %3 = call fastcc i8* @foo(%struct.s2* %1) nounwind + unreachable + +bb3: + ret i8* undef +} + +declare void @bar(i32*) + +declare fastcc i8* @foo(%struct.s2*) nounwind |