diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/2006-11-10-ashr-miscompile.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/2006-11-10-ashr-miscompile.ll | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/2006-11-10-ashr-miscompile.ll b/llvm/test/Transforms/InstCombine/2006-11-10-ashr-miscompile.ll new file mode 100644 index 00000000000..7799423f04f --- /dev/null +++ b/llvm/test/Transforms/InstCombine/2006-11-10-ashr-miscompile.ll @@ -0,0 +1,9 @@ +; RUN: opt < %s -instcombine -S | grep lshr +; Verify this is not turned into -1. + +define i32 @test(i8 %amt) { + %shift.upgrd.1 = zext i8 %amt to i32 ; <i32> [#uses=1] + %B = lshr i32 -1, %shift.upgrd.1 ; <i32> [#uses=1] + ret i32 %B +} + |
