[llvm-commits] CVS: llvm/test/Regression/Transforms/DeadStoreElimination/context-sensitive.llx
Chris Lattner
lattner at cs.uiuc.edu
Mon Jul 26 19:19:37 PDT 2004
Changes in directory llvm/test/Regression/Transforms/DeadStoreElimination:
context-sensitive.llx added (r1.1)
---
Log message:
New testcase. DSE should delete all of the DEAD instructions.
---
Diffs of the changes: (+15 -0)
Index: llvm/test/Regression/Transforms/DeadStoreElimination/context-sensitive.llx
diff -c /dev/null llvm/test/Regression/Transforms/DeadStoreElimination/context-sensitive.llx:1.1
*** /dev/null Mon Jul 26 21:19:37 2004
--- llvm/test/Regression/Transforms/DeadStoreElimination/context-sensitive.llx Mon Jul 26 21:19:27 2004
***************
*** 0 ****
--- 1,15 ----
+ ; RUN: llvm-as < %s | opt -dse | llvm-dis | not grep DEAD
+
+ declare void %ext()
+
+ int* %caller() {
+ %P = malloc int
+ %DEAD = load int* %P
+ %DEAD2 = add int %DEAD, 1
+ store int %DEAD2, int* %P ;; dead store
+
+ call void %ext() ; Can not clobber *P
+
+ store int 0, int* %P
+ ret int* %P
+ }
More information about the llvm-commits
mailing list