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llvm-6502/test/CodeGen/MSP430/2009-10-10-OrImpDef.ll
Anton Korobeynikov 8f8e9f0830 It seems that OR operation does not affect status reg at all.
Remove impdef of SRW. This fixes PR4779


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83739 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-10 22:17:47 +00:00

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LLVM

; RUN: llc -march=msp430 < %s
; PR4779
define void @foo() nounwind {
entry:
%r = alloca i8 ; <i8*> [#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
volatile load i8* %r, align 1 ; <i8>:0 [#uses=1]
or i8 %0, 1 ; <i8>:1 [#uses=1]
volatile store i8 %1, i8* %r, align 1
br label %return
return: ; preds = %entry
ret void
}