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19 lines
566 B
LLVM
19 lines
566 B
LLVM
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; RUN: llc -mtriple=s390x-linux-gnu -mcpu=zEC12 < %s | FileCheck %s
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;
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; Check that DAGCombiner doesn't crash in SystemZ combineTruncateExtract()
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; when handling EXTRACT_VECTOR_ELT without vector support.
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define void @autogen_SD21598(<2 x i8> %Arg) {
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; CHECK: stc %r3, 0(%r1)
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; CHECK: j .LBB0_1
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entry:
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br label %loop
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loop: ; preds = %CF249, %CF247
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%Shuff = shufflevector <2 x i8> undef, <2 x i8> %Arg, <2 x i32> <i32 3, i32 1>
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%E = extractelement <2 x i8> %Shuff, i32 0
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store i8 %E, i8* undef
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br label %loop
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}
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