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/SimplifyCFG/DeadSetCC.ll b/test/Transforms/SimplifyCFG/DeadSetCC.ll
new file mode 100644
index 0000000..ea215e3
--- /dev/null
+++ b/test/Transforms/SimplifyCFG/DeadSetCC.ll
@@ -0,0 +1,27 @@
+; RUN: llvm-upgrade < %s | llvm-as | opt -simplifycfg | llvm-dis | \
+; RUN: not grep {icmp eq}
+
+; Check that simplifycfg deletes a dead 'seteq' instruction when it
+; folds a conditional branch into a switch instruction.
+
+declare void %foo()
+declare void %bar()
+
+void %testcfg(uint %V) {
+ %C = seteq uint %V, 18
+ %D = seteq uint %V, 180
+ %E = or bool %C, %D
+ br bool %E, label %L1, label %Sw
+Sw:
+ switch uint %V, label %L1 [
+ uint 15, label %L2
+ uint 16, label %L2
+ ]
+L1:
+ call void %foo()
+ ret void
+L2:
+ call void %bar()
+ ret void
+}
+