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| author | Dale Johannesen <dalej@apple.com> | 2010-12-21 20:10:51 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2010-12-21 20:10:51 +0000 |
| commit | caf42aa6a40464b2d8ad42b5c27addeb3c5413bd (patch) | |
| tree | 53a7ff3f218bb54d818321a8de60cd623251638a /llvm/test/CodeGen/X86/x86-64-extend-shift.ll | |
| parent | fa5dc82fda4addd3da3518dfc6193f8ae7656271 (diff) | |
| download | bcm5719-llvm-caf42aa6a40464b2d8ad42b5c27addeb3c5413bd.tar.gz bcm5719-llvm-caf42aa6a40464b2d8ad42b5c27addeb3c5413bd.zip | |
Add a new transform to DAGCombiner.
llvm-svn: 122355
Diffstat (limited to 'llvm/test/CodeGen/X86/x86-64-extend-shift.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/x86-64-extend-shift.ll | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/x86-64-extend-shift.ll b/llvm/test/CodeGen/X86/x86-64-extend-shift.ll new file mode 100644 index 00000000000..6852785fd6a --- /dev/null +++ b/llvm/test/CodeGen/X86/x86-64-extend-shift.ll @@ -0,0 +1,10 @@ +; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s +; Formerly there were two shifts. + +define i64 @baz(i32 %A) nounwind { +; CHECK: shlq $49, %rax + %tmp1 = shl i32 %A, 17 + %tmp2 = zext i32 %tmp1 to i64 + %tmp3 = shl i64 %tmp2, 32 + ret i64 %tmp3 +} |
