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Diffstat (limited to 'test/Transforms/IndVarSimplify/2002-09-09-PointerIndVar.ll')
| -rw-r--r-- | test/Transforms/IndVarSimplify/2002-09-09-PointerIndVar.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/Transforms/IndVarSimplify/2002-09-09-PointerIndVar.ll b/test/Transforms/IndVarSimplify/2002-09-09-PointerIndVar.ll new file mode 100644 index 0000000..228772e --- /dev/null +++ b/test/Transforms/IndVarSimplify/2002-09-09-PointerIndVar.ll @@ -0,0 +1,17 @@ +; Induction variable pass is doing bad things with pointer induction vars, +; trying to do arithmetic on them directly. +; +; RUN: llvm-as < %s | opt -indvars +; +define void @test(i32 %A, i32 %S, i8* %S.upgrd.1) { +; <label>:0 + br label %Loop + +Loop: ; preds = %Loop, %0 + %PIV = phi i8* [ %S.upgrd.1, %0 ], [ %PIVNext.upgrd.3, %Loop ] ; <i8*> [#uses=1] + %PIV.upgrd.2 = ptrtoint i8* %PIV to i64 ; <i64> [#uses=1] + %PIVNext = add i64 %PIV.upgrd.2, 8 ; <i64> [#uses=1] + %PIVNext.upgrd.3 = inttoptr i64 %PIVNext to i8* ; <i8*> [#uses=1] + br label %Loop +} + |