diff options
Diffstat (limited to 'test/Analysis/GlobalsModRef/2008-09-03-ReadGlobals.ll')
| -rw-r--r-- | test/Analysis/GlobalsModRef/2008-09-03-ReadGlobals.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/Analysis/GlobalsModRef/2008-09-03-ReadGlobals.ll b/test/Analysis/GlobalsModRef/2008-09-03-ReadGlobals.ll new file mode 100644 index 0000000..aba6082 --- /dev/null +++ b/test/Analysis/GlobalsModRef/2008-09-03-ReadGlobals.ll @@ -0,0 +1,18 @@ +; RUN: llvm-as < %s | opt -globalsmodref-aa -gvn | llvm-dis | grep call | count 2 + +@g = internal global i32 0 ; <i32*> [#uses=2] + +define i32 @r() { + %tmp = load i32* @g ; <i32> [#uses=1] + ret i32 %tmp +} + +define i32 @f() { +entry: + %tmp = call i32 @e( ) ; <i32> [#uses=1] + store i32 %tmp, i32* @g + %tmp2 = call i32 @e( ) ; <i32> [#uses=1] + ret i32 %tmp2 +} + +declare i32 @e() readonly ; might call @r |