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fce288fc91
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81293 91177308-0d34-0410-b5e6-96231b3b80d8
17 lines
654 B
LLVM
17 lines
654 B
LLVM
; RUN: llc < %s
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; PR4778
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target datalayout = "e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"
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target triple = "msp430-generic-generic"
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define signext i8 @__nesc_atomic_start() nounwind {
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entry:
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%0 = tail call i16 asm sideeffect "mov r2, $0", "=r"() nounwind ; <i16> [#uses=1]
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%1 = trunc i16 %0 to i8 ; <i8> [#uses=1]
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%and3 = lshr i8 %1, 3 ; <i8> [#uses=1]
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%conv1 = and i8 %and3, 1 ; <i8> [#uses=1]
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tail call void asm sideeffect "dint", ""() nounwind
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tail call void asm sideeffect "nop", ""() nounwind
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tail call void asm sideeffect "", "~{memory}"() nounwind
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ret i8 %conv1
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}
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