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Diffstat (limited to 'test/Transforms/InstCombine/udiv-simplify-bug-0.ll')
-rw-r--r-- | test/Transforms/InstCombine/udiv-simplify-bug-0.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/udiv-simplify-bug-0.ll b/test/Transforms/InstCombine/udiv-simplify-bug-0.ll new file mode 100644 index 0000000000000..5bcaa66366c7b --- /dev/null +++ b/test/Transforms/InstCombine/udiv-simplify-bug-0.ll @@ -0,0 +1,14 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {ret i64 0} | count 2 + +define i64 @foo(i32 %x) nounwind { + %y = lshr i32 %x, 1 + %r = udiv i32 %y, -1 + %z = sext i32 %r to i64 + ret i64 %z +} +define i64 @bar(i32 %x) nounwind { + %y = lshr i32 %x, 31 + %r = udiv i32 %y, 3 + %z = sext i32 %r to i64 + ret i64 %z +} |