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| author | Dan Gohman <gohman@apple.com> | 2008-07-31 00:50:31 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-07-31 00:50:31 +0000 |
| commit | 75dcf08243d19a40d2e1cc12057bf9c00ca3df3b (patch) | |
| tree | a4d75e535ab985343409f9d4b9878bbd708d4ee3 /test | |
| parent | 7030ae7728fb7d5f937f72943d73fc69c4d451c0 (diff) | |
| download | llvm-75dcf08243d19a40d2e1cc12057bf9c00ca3df3b.tar.gz llvm-75dcf08243d19a40d2e1cc12057bf9c00ca3df3b.tar.bz2 llvm-75dcf08243d19a40d2e1cc12057bf9c00ca3df3b.tar.xz | |
Improve dagcombining for sext-loads and sext-in-reg nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54239 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/sext-trunc.ll | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test/CodeGen/X86/sext-trunc.ll b/test/CodeGen/X86/sext-trunc.ll new file mode 100644 index 0000000000..97b4666827 --- /dev/null +++ b/test/CodeGen/X86/sext-trunc.ll @@ -0,0 +1,9 @@ +; RUN: llvm-as < %s | llc -march=x86 > %t +; RUN: grep movsbl %t +; RUN: not grep movz %t +; RUN: not grep and %t + +define i8 @foo(i16 signext %x) signext nounwind { + %retval56 = trunc i16 %x to i8 + ret i8 %retval56 +} |