New testcase for trivial DSE

llvm-svn: 28502
2006-05-26 19:18:40 +00:00 · 2006-05-26 19:18:40 +00:00 · 158dd8aca8
parent 44a793c3a6
commit 158dd8aca8
1 changed files with 8 additions and 1 deletions
--- a/llvm/test/Regression/Transforms/InstCombine/store.ll
+++ b/llvm/test/Regression/Transforms/InstCombine/store.ll
@ -1,9 +1,16 @@
+; RUN: llvm-as < %s | opt -instcombine -disable-output &&
 ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep -v 'store.*,.*null' | not grep store

-
 void %test1(int* %P) {
 	store int undef, int* %P
 	store int 123, int* undef
 	store int 124, int* null
 	ret void
 }
+
+void %test2(int* %P) {
+	%X = load int* %P
+	%Y = add int %X, 0
+	store int %Y, int* %P
+	ret void
+}