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/compare-duplicate.ll b/test/CodeGen/PowerPC/compare-duplicate.ll
new file mode 100644
index 0000000..df2dfdc
--- /dev/null
+++ b/test/CodeGen/PowerPC/compare-duplicate.ll
@@ -0,0 +1,11 @@
+; RUN: llvm-as < %s | llc -mtriple=powerpc-apple-darwin8 | not grep slwi
+
+define i32 @test(i32 %A, i32 %B) {
+ %C = sub i32 %B, %A
+ %D = icmp eq i32 %C, %A
+ br i1 %D, label %T, label %F
+T:
+ ret i32 19123
+F:
+ ret i32 %C
+}