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Fix PR2296. Do not transform x86_sse2_storel_dq into a full-width store.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53666 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -8646,7 +8646,6 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) {
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case Intrinsic::x86_sse_storeu_ps:
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case Intrinsic::x86_sse2_storeu_pd:
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case Intrinsic::x86_sse2_storeu_dq:
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case Intrinsic::x86_sse2_storel_dq:
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// Turn X86 storeu -> store if the pointer is known aligned.
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if (GetOrEnforceKnownAlignment(II->getOperand(1), 16) >= 16) {
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const Type *OpPtrTy =
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13
test/Transforms/InstCombine/2008-07-16-sse2_storel_dq.ll
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13
test/Transforms/InstCombine/2008-07-16-sse2_storel_dq.ll
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@ -0,0 +1,13 @@
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep {store }
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; PR2296
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@G = common global double 0.000000e+00, align 16
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define void @x(<2 x i64> %y) nounwind {
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entry:
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bitcast <2 x i64> %y to <4 x i32>
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call void @llvm.x86.sse2.storel.dq( i8* bitcast (double* @G to i8*), <4 x i32> %0 ) nounwind
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ret void
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}
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declare void @llvm.x86.sse2.storel.dq(i8*, <4 x i32>) nounwind
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