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authorChris Lattner <sabre@nondot.org>2007-03-25 04:43:51 +0000
committerChris Lattner <sabre@nondot.org>2007-03-25 04:43:51 +0000
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treeb6a29ee8d512edf34e26c2ef136dd74cc4445511 /test/CodeGen/PowerPC/2007-03-24-cntlzd.ll
parentc13dd1cf4c0d83ac3ed2a6b0c36fab72e9d6c6e5 (diff)
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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/CodeGen/PowerPC/2007-03-24-cntlzd.ll')
-rw-r--r--test/CodeGen/PowerPC/2007-03-24-cntlzd.ll13
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)
+