New testcase for CSE of call instructions

llvm-svn: 12418
2004-03-15 05:44:29 +00:00 · 2004-03-15 05:44:29 +00:00 · 2c8efdb348
parent ea42c857d6
commit 2c8efdb348
1 changed files with 11 additions and 0 deletions
--- a/llvm/test/Regression/Transforms/GCSE/call_cse.ll
+++ b/llvm/test/Regression/Transforms/GCSE/call_cse.ll
@ -0,0 +1,11 @@
+; RUN: llvm-as < %s | opt -basicaa -load-vn -gcse -instcombine | llvm-dis | not grep sub
+declare int %strlen(sbyte*)
+
+int %test(sbyte* %P) {
+	%X = call int %strlen(sbyte* %P)
+	%A = add int %X, 14
+	%Y = call int %strlen(sbyte* %P)
+	%Z = sub int %X, %Y
+	%B = add int %A, %Z
+	ret int %B
+}