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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 | eaa87ba1e72f19e1410f32d0c2f36914a5a1b30a (patch) | |
| tree | b6a29ee8d512edf34e26c2ef136dd74cc4445511 /test | |
| parent | c13dd1cf4c0d83ac3ed2a6b0c36fab72e9d6c6e5 (diff) | |
| download | external_llvm-eaa87ba1e72f19e1410f32d0c2f36914a5a1b30a.zip external_llvm-eaa87ba1e72f19e1410f32d0c2f36914a5a1b30a.tar.gz external_llvm-eaa87ba1e72f19e1410f32d0c2f36914a5a1b30a.tar.bz2 | |
test that the ppc backend can do 64-bit cntlz
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35328 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/PowerPC/2007-03-24-cntlzd.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/2007-03-24-cntlzd.ll b/test/CodeGen/PowerPC/2007-03-24-cntlzd.ll new file mode 100644 index 0000000..a9808ce --- /dev/null +++ b/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) + |