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/Transforms/ADCE/dead-phi-edge.ll b/test/Transforms/ADCE/dead-phi-edge.ll
new file mode 100644
index 0000000..a0c0705
--- /dev/null
+++ b/test/Transforms/ADCE/dead-phi-edge.ll
@@ -0,0 +1,15 @@
+; RUN: llvm-upgrade < %s | llvm-as | opt -adce | llvm-dis | not grep call
+
+; The call is not live just because the PHI uses the call retval!
+
+int %test(int %X) {
+ br label %Done
+
+DeadBlock:
+ %Y = call int %test(int 0)
+ br label %Done
+
+Done:
+ %Z = phi int [%X, %0], [%Y, %DeadBlock]
+ ret int %Z
+}