Add the SCCP regression tests for APInt expressions. These test cases
turned up some regressions that have since been fixed. We don't want to
loose the regression tests.
Test cases by Guoling Han.
llvm-svn: 35974
diff --git a/llvm/test/Transforms/SCCP/apint-ipsccp3.ll b/llvm/test/Transforms/SCCP/apint-ipsccp3.ll
new file mode 100644
index 0000000..eef5fa8
--- /dev/null
+++ b/llvm/test/Transforms/SCCP/apint-ipsccp3.ll
@@ -0,0 +1,24 @@
+; RUN: llvm-as < %s | opt -ipsccp | llvm-dis -o /dev/null -f &&
+; RUN: llvm-as < %s | opt -ipsccp | llvm-dis | not grep global
+
+@G = internal global i66 undef
+
+
+
+define void @foo() {
+ %X = load i66* @G
+ store i66 %X, i66* @G
+ ret void
+}
+
+define i66 @bar() {
+ %V = load i66* @G
+ %C = icmp eq i66 %V, 17
+ br i1 %C, label %T, label %F
+T:
+ store i66 17, i66* @G
+ ret i66 %V
+F:
+ store i66 123, i66* @G
+ ret i66 0
+}