New testcase: do not DCE volatile loads!

llvm-svn: 8421
2025-03-05 02:49:18 +00:00 · 2003-09-09 18:15:45 +00:00 · 2003-09-09 18:15:45 +00:00 · 0df3e2e3c7
commit 0df3e2e3c7
parent cd9b0df28e
1 changed files with 5 additions and 0 deletions
--- a/test/Regression/Transforms/InstCombine/2003-09-09-VolatileLoadElim.ll
+++ b/test/Regression/Transforms/InstCombine/2003-09-09-VolatileLoadElim.ll
@ -0,0 +1,5 @@
+; RUN: as < %s | opt -instcombine | dis | grep load
+void %test(int* %P) {
+	%X = volatile load int* %P  ; Dead but not deletable!
+	ret void
+}