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1# RUN: llc -mtriple=x86_64-- -run-pass=peephole-opt %s -o - | FileCheck %s2--- |3 define void @func() { ret void }4...5---6# Check that instructions with MI.isBitcast() are only replaced by COPY if there7# are no SUBREG_TO_REG users.8# CHECK-LABEL: name: func9name: func10registers:11 - { id: 0, class: gr32 }12 - { id: 1, class: fr32 }13 - { id: 2, class: gr32 }14 15 - { id: 3, class: gr32 }16 - { id: 4, class: fr32 }17 - { id: 5, class: gr32 }18 - { id: 6, class: gr64 }19 20body: |21 bb.0:22 ; CHECK: %1:fr32 = VMOVDI2SSrr %023 ; CHECK: %7:gr32 = COPY %024 ; CHECK: NOOP implicit %725 %0 = MOV32ri 4226 %1 = VMOVDI2SSrr %027 %2 = MOVSS2DIrr %128 NOOP implicit %229 30 ; CHECK: %4:fr32 = VMOVDI2SSrr %331 ; CHECK-NOT: COPY32 ; CHECK: %5:gr32 = MOVSS2DIrr %433 ; CHECK: %6:gr64 = SUBREG_TO_REG %5, 034 ; CHECK: NOOP implicit %635 %3 = MOV32ri 4236 %4 = VMOVDI2SSrr %337 %5 = MOVSS2DIrr %438 %6 = SUBREG_TO_REG %5, 0, %subreg.sub_32bit39 NOOP implicit %640...41