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

1 files changed, 31 insertions, 0 deletions

diff --git a/test/Transforms/TailDup/MergeTest.ll b/test/Transforms/TailDup/MergeTest.ll
new file mode 100644
index 0000000..c11d735
--- /dev/null
+++ b/test/Transforms/TailDup/MergeTest.ll
@@ -0,0 +1,31 @@
+; RUN: llvm-upgrade < %s | llvm-as | opt -tailduplicate  | llvm-dis | grep add | not grep uses=1
+
+int %test1(bool %C, int %A, int* %P) {
+entry:
+        br bool %C, label %L1, label %L2
+
+L1:
+	store int 1, int* %P
+        br label %L2
+
+L2:
+	%X = add int %A, 17
+	ret int %X
+}
+
+int %test2(bool %C, int %A, int* %P) {
+entry:
+        br bool %C, label %L1, label %L2
+
+L1:
+	store int 1, int* %P
+        br label %L3
+
+L2:
+	store int 7, int* %P
+	br label %L3
+L3:
+	%X = add int %A, 17
+	ret int %X
+}
+