Changes in directory llvm/test/Regression/Analysis/GlobalsModRef:
indirect-global.ll added (r1.1)
---
Log message:
New testcase
---
Diffs of the changes: (+23 -0)
indirect-global.ll | 23 +++++++++++++++++++++++
1 files changed, 23 insertions(+)
Index: llvm/test/Regression/Analysis/GlobalsModRef/indirect-global.ll
diff -c /dev/null
llvm/test/Regression/Analysis/GlobalsModRef/indirect-global.ll:1.1
*** /dev/null Sun Oct 1 17:35:55 2006
--- llvm/test/Regression/Analysis/GlobalsModRef/indirect-global.ll Sun Oct
1 17:35:45 2006
***************
*** 0 ****
--- 1,23 ----
+ ; RUN: llvm-as < %s | opt -globalsmodref-aa -load-vn -gcse -instcombine |
llvm-dis | grep 'ret int 0'
+ %G = internal global int* null
+
+ implementation
+
+ void %test() {
+ %A = malloc int
+ store int* %A, int** %G
+ ret void
+ }
+
+ int %test1(int *%P) {
+ %g1 = load int** %G
+ %h1 = load int* %g1
+
+ ; This store cannot alias either G or g1.
+ store int 123, int* %P
+
+ %g2 = load int** %G
+ %h2 = load int* %g1
+ %X = sub int %h1, %h2 ;; -> 0
+ ret int %X
+ }
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