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llvm-mirror/test/Transforms/InstCombine/2006-11-10-ashr-miscompile.ll
2008-03-01 09:15:35 +00:00

10 lines
298 B
LLVM

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | 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
}