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Diffstat (limited to 'test/CodeGen/Alpha/ctlz.ll')
| -rw-r--r-- | test/CodeGen/Alpha/ctlz.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGen/Alpha/ctlz.ll b/test/CodeGen/Alpha/ctlz.ll new file mode 100644 index 0000000..aa1588a --- /dev/null +++ b/test/CodeGen/Alpha/ctlz.ll @@ -0,0 +1,14 @@ +; Make sure this testcase codegens to the ctlz instruction +; RUN: llc < %s -march=alpha -mcpu=ev67 | grep -i ctlz +; RUN: llc < %s -march=alpha -mattr=+CIX | grep -i ctlz +; RUN: llc < %s -march=alpha -mcpu=ev6 | not grep -i ctlz +; RUN: llc < %s -march=alpha -mattr=-CIX | not grep -i ctlz + +declare i8 @llvm.ctlz.i8(i8) + +define i32 @bar(i8 %x) { +entry: + %tmp.1 = call i8 @llvm.ctlz.i8( i8 %x ) + %tmp.2 = sext i8 %tmp.1 to i32 + ret i32 %tmp.2 +} |