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Loosen up an assertion to allow intrinsics. I really have no
idea what this code (findNonImmUse) does, so I'm only guessing that this is the right thing. It would be really really nice if this had comments and perhaps switched to SmallPtrSet (hint hint) :) This fixes rdar://5886601, a crash on gcc.target/i386/sse4_1-pblendw.c llvm-svn: 50252
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@ -252,7 +252,10 @@ static void findNonImmUse(SDNode *Use, SDNode* Def, SDNode *ImmedUse,
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continue; // Immediate use is ok.
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if (Use == Root) {
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assert(Use->getOpcode() == ISD::STORE ||
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Use->getOpcode() == X86ISD::CMP);
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Use->getOpcode() == X86ISD::CMP ||
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Use->getOpcode() == ISD::INTRINSIC_WO_CHAIN ||
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Use->getOpcode() == ISD::INTRINSIC_W_CHAIN ||
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Use->getOpcode() == ISD::INTRINSIC_VOID);
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continue;
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}
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found = true;
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15
test/CodeGen/X86/2008-04-24-pblendw-fold-crash.ll
Normal file
15
test/CodeGen/X86/2008-04-24-pblendw-fold-crash.ll
Normal file
@ -0,0 +1,15 @@
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; RUN: llvm-as < %s | llc -mattr=+sse41
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; rdar://5886601
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; gcc testsuite: gcc.target/i386/sse4_1-pblendw.c
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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target triple = "i386-apple-darwin8"
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define i32 @main() nounwind {
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entry:
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%tmp122 = load <2 x i64>* null, align 16 ; <<2 x i64>> [#uses=1]
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%tmp126 = bitcast <2 x i64> %tmp122 to <8 x i16> ; <<8 x i16>> [#uses=1]
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%tmp129 = call <8 x i16> @llvm.x86.sse41.pblendw( <8 x i16> zeroinitializer, <8 x i16> %tmp126, i32 2 ) nounwind ; <<8 x i16>> [#uses=0]
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ret i32 0
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}
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declare <8 x i16> @llvm.x86.sse41.pblendw(<8 x i16>, <8 x i16>, i32) nounwind
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