545affbf79
getNegatedExpression can delete nodes. If the first call to getNegatedExpression produced a node that the second call also manages to create, it might get deleted. Use a HandleSDNode to ensure it has a use to prevent it from being deleted. Fixes PR57658. Reviewed By: RKSimon Differential Revision: https://reviews.llvm.org/D133602
22 lines
684 B
LLVM
22 lines
684 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s
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define <2 x double> @f(<2 x double> %I) {
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; CHECK-LABEL: f:
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; CHECK: # %bb.0: # %BB
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; CHECK-NEXT: movapd {{.*#+}} xmm1 = [-0.0E+0,-0.0E+0]
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; CHECK-NEXT: xorpd %xmm0, %xmm1
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; CHECK-NEXT: mulpd %xmm0, %xmm1
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; CHECK-NEXT: mulpd %xmm0, %xmm1
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; CHECK-NEXT: mulpd %xmm0, %xmm0
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; CHECK-NEXT: mulpd %xmm1, %xmm0
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; CHECK-NEXT: retq
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BB:
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%F = fneg <2 x double> %I
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%B3 = fmul <2 x double> %I, %F
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%B1 = fmul <2 x double> %F, %B3
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%B2 = fmul <2 x double> %F, %I
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%B = fmul <2 x double> %B2, %B1
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ret <2 x double> %B
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}
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