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Diffstat (limited to 'test/Transforms/ConstProp/div-zero.ll')
| -rw-r--r-- | test/Transforms/ConstProp/div-zero.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/Transforms/ConstProp/div-zero.ll b/test/Transforms/ConstProp/div-zero.ll new file mode 100644 index 000000000000..166c643dcc99 --- /dev/null +++ b/test/Transforms/ConstProp/div-zero.ll @@ -0,0 +1,12 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {ret i32 0} +; PR4424 +declare void @ext() + +define i32 @foo(i32 %ptr) { +entry: + %zero = sub i32 %ptr, %ptr ; <i32> [#uses=1] + %div_zero = sdiv i32 %zero, ptrtoint (i32* getelementptr (i32* null, +i32 1) to i32) ; <i32> [#uses=1] + ret i32 %div_zero +} + |