YouCompleteMe/cpp/llvm/test/Transforms/InstCombine/2006-11-10-ashr-miscompile.ll
2012-07-05 17:51:06 -07:00

10 lines
280 B
LLVM

; 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
}