It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/PowerPC/cttz.ll b/test/CodeGen/PowerPC/cttz.ll
new file mode 100644
index 0000000..3751d66
--- /dev/null
+++ b/test/CodeGen/PowerPC/cttz.ll
@@ -0,0 +1,12 @@
+; Make sure this testcase does not use ctpop
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=ppc32 | grep -i cntlzw
+
+declare uint %llvm.cttz.i32(uint)
+
+implementation ; Functions:
+
+uint %bar(uint %x) {
+entry:
+ %tmp.1 = call uint %llvm.cttz.i32( uint %x )
+ ret uint %tmp.1
+}