diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/Analysis/BasicAA/2008-12-09-GEP-IndicesAlias.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/Analysis/BasicAA/2008-12-09-GEP-IndicesAlias.ll b/test/Analysis/BasicAA/2008-12-09-GEP-IndicesAlias.ll new file mode 100644 index 0000000..967a36e --- /dev/null +++ b/test/Analysis/BasicAA/2008-12-09-GEP-IndicesAlias.ll @@ -0,0 +1,16 @@ +; RUN: llvm-as < %s | opt -aa-eval -print-all-alias-modref-info -disable-output |& grep {MustAlias:.*%R,.*%r} +; Make sure that basicaa thinks R and r are must aliases. + +define i32 @test(i8 * %P) { +entry: + %Q = bitcast i8* %P to {i32, i32}* + %R = getelementptr {i32, i32}* %Q, i32 0, i32 1 + %S = load i32* %R + + %q = bitcast i8* %P to {i32, i32}* + %r = getelementptr {i32, i32}* %q, i32 0, i32 1 + %s = load i32* %r + + %t = sub i32 %S, %s + ret i32 %t +} |