Currently, a node and its users are added back to the worklist in reverse topological order after it is combined. This diff changes that order to be topological. This is part of a larger migration to get the DAGCombiner to process nodes in topological order. Reviewed By: RKSimon Differential Revision: https://reviews.llvm.org/D127115
19 lines
684 B
LLVM
19 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-linux-gnu -mattr=sse4.2 | FileCheck %s
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define void @csrot_(ptr %0) {
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; CHECK-LABEL: csrot_:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; CHECK-NEXT: xorps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
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; CHECK-NEXT: blendps {{.*#+}} xmm0 = xmm0[0],mem[1,2,3]
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; CHECK-NEXT: movlps %xmm0, (%rax)
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; CHECK-NEXT: retq
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1:
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%2 = load float, ptr %0, align 4
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%3 = fsub float -0.000000e+00, %2
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%4 = insertelement <2 x float> <float undef, float -0.000000e+00>, float %3, i32 0
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store <2 x float> %4, ptr undef, align 8
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ret void
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}
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