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| author | Chris Lattner <sabre@nondot.org> | 2007-03-25 04:43:51 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2007-03-25 04:43:51 +0000 |
| commit | 31b80d55ee4ee78753cb9306494175a40bf8c123 (patch) | |
| tree | 765ba59561d86255d086f98b1a0d876e210a1a6a | |
| parent | 3d7efa25862f74ac4ba35653a419100840e54df0 (diff) | |
| download | bcm5719-llvm-31b80d55ee4ee78753cb9306494175a40bf8c123.tar.gz bcm5719-llvm-31b80d55ee4ee78753cb9306494175a40bf8c123.zip | |
test that the ppc backend can do 64-bit cntlz
llvm-svn: 35328
| -rw-r--r-- | llvm/test/CodeGen/PowerPC/2007-03-24-cntlzd.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/PowerPC/2007-03-24-cntlzd.ll b/llvm/test/CodeGen/PowerPC/2007-03-24-cntlzd.ll new file mode 100644 index 00000000000..a9808cee55d --- /dev/null +++ b/llvm/test/CodeGen/PowerPC/2007-03-24-cntlzd.ll @@ -0,0 +1,13 @@ +; RUN: llvm-as < %s | llc -march=ppc64 -mcpu=g5 | grep cntlzd + +define i32 @_ZNK4llvm5APInt17countLeadingZerosEv(i64 *%t) { + %tmp19 = load i64* %t + %tmp23 = tail call i64 @llvm.ctlz.i64( i64 %tmp19 ) ; <i64> [#uses=1] + %tmp2324 = trunc i64 %tmp23 to i32 ; <i32> [#uses=1] + %tmp89 = add i32 %tmp2324, -64 ; <i32> [#uses=1] + %tmp90 = add i32 %tmp89, 0 ; <i32> [#uses=1] + ret i32 %tmp90 +} + +declare i64 @llvm.ctlz.i64(i64) + |
