llvm/test/CodeGen/X86/stack-folding-fp-nofpexcept.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc %s -o - -O3 -mtriple=x86_64-unknown-unknown -run-pass=greedy | FileCheck %s
--- |
  ; ModuleID = 'test.ll'
  source_filename = "test.ll"
  target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
  define <2 x double> @stack_fold_addpd(<2 x double> %a0, <2 x double> %a1) {
    tail call void asm sideeffect "nop", "~{xmm1},~{xmm2},~{xmm3},~{xmm4},~{xmm5},~{xmm6},~{xmm7},~{xmm8},~{xmm9},~{xmm10},~{xmm11},~{xmm12},~{xmm13},~{xmm14},~{xmm15},~{flags}"()
    %1 = fadd <2 x double> %a0, %a1
    ret <2 x double> %1
  }
  ; Function Attrs: nounwind
  declare void @llvm.stackprotector(i8*, i8**) #0

  attributes #0 = { nounwind }

...
---
name:            stack_fold_addpd
alignment:       16
tracksRegLiveness: true
registers:
  - { id: 0, class: vr128 }
  - { id: 1, class: vr128 }
  - { id: 2, class: vr128 }
liveins:
  - { reg: '$xmm0', virtual-reg: '%0' }
  - { reg: '$xmm1', virtual-reg: '%1' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
  bb.0 (%ir-block.0):
    liveins: $xmm0, $xmm1

    ; CHECK-LABEL: name: stack_fold_addpd
    ; CHECK: liveins: $xmm0, $xmm1
    ; CHECK: MOVAPSmr %stack.0, 1, $noreg, 0, $noreg, $xmm1 :: (store 16 into %stack.0)
    ; CHECK: [[COPY:%[0-9]+]]:vr128 = COPY $xmm0
    ; CHECK: INLINEASM &nop, 1 /* sideeffect attdialect */, 12 /* clobber */, implicit-def dead early-clobber $xmm1, 12 /* clobber */, implicit-def dead early-clobber $xmm2, 12 /* clobber */, implicit-def dead early-clobber $xmm3, 12 /* clobber */, implicit-def dead early-clobber $xmm4, 12 /* clobber */, implicit-def dead early-clobber $xmm5, 12 /* clobber */, implicit-def dead early-clobber $xmm6, 12 /* clobber */, implicit-def dead early-clobber $xmm7, 12 /* clobber */, implicit-def dead early-clobber $xmm8, 12 /* clobber */, implicit-def dead early-clobber $xmm9, 12 /* clobber */, implicit-def dead early-clobber $xmm10, 12 /* clobber */, implicit-def dead early-clobber $xmm11, 12 /* clobber */, implicit-def dead early-clobber $xmm12, 12 /* clobber */, implicit-def dead early-clobber $xmm13, 12 /* clobber */, implicit-def dead early-clobber $xmm14, 12 /* clobber */, implicit-def dead early-clobber $xmm15, 12 /* clobber */, implicit-def dead early-clobber $eflags
    ; CHECK: [[COPY]]:vr128 = nofpexcept ADDPDrm [[COPY]], %stack.0, 1, $noreg, 0, $noreg, implicit $mxcsr :: (load 16 from %stack.0)
    ; CHECK: $xmm0 = COPY [[COPY]]
    ; CHECK: RET 0, $xmm0
    %1:vr128 = COPY $xmm1
    %2:vr128 = COPY $xmm0
    INLINEASM &nop, 1 /* sideeffect attdialect */, 12 /* clobber */, implicit-def dead early-clobber $xmm1, 12 /* clobber */, implicit-def dead early-clobber $xmm2, 12 /* clobber */, implicit-def dead early-clobber $xmm3, 12 /* clobber */, implicit-def dead early-clobber $xmm4, 12 /* clobber */, implicit-def dead early-clobber $xmm5, 12 /* clobber */, implicit-def dead early-clobber $xmm6, 12 /* clobber */, implicit-def dead early-clobber $xmm7, 12 /* clobber */, implicit-def dead early-clobber $xmm8, 12 /* clobber */, implicit-def dead early-clobber $xmm9, 12 /* clobber */, implicit-def dead early-clobber $xmm10, 12 /* clobber */, implicit-def dead early-clobber $xmm11, 12 /* clobber */, implicit-def dead early-clobber $xmm12, 12 /* clobber */, implicit-def dead early-clobber $xmm13, 12 /* clobber */, implicit-def dead early-clobber $xmm14, 12 /* clobber */, implicit-def dead early-clobber $xmm15, 12 /* clobber */, implicit-def dead early-clobber $eflags
    %2:vr128 = nofpexcept ADDPDrr %2, %1, implicit $mxcsr
    $xmm0 = COPY %2
    RET 0, $xmm0

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