New testcase that ipsccp should handle.

llvm-svn: 18789
2004-12-11 05:14:55 +00:00 · 2004-12-11 05:14:55 +00:00 · 01bd4624c4
parent a179968c4e
commit 01bd4624c4
1 changed files with 23 additions and 0 deletions
--- a/llvm/test/Regression/Transforms/SCCP/ipsccp-gvar.ll
+++ b/llvm/test/Regression/Transforms/SCCP/ipsccp-gvar.ll
@ -0,0 +1,23 @@
+; RUN: llvm-as < %s | opt -ipsccp | llvm-dis | not grep global
+
+%G = internal global int undef
+
+implementation
+
+void %foo() {
+	%X = load int* %G
+	store int %X, int* %G
+	ret void
+}
+
+int %bar() {
+	%V = load int* %G
+	%C = seteq int %V, 17
+	br bool %C, label %T, label %F
+T:
+	store int 17, int* %G
+	ret int %V
+F:
+	store int 123, int* %G
+	ret int 0
+}