# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=thumbv7m-none-eabi -mcpu=cortex-m7 -run-pass=pipeliner --pipeliner-force-issue-width=10 -o - %s | FileCheck %s --check-prefix=CHECK
# This test checks that too much register pressure will cause the modulo
# schedule to be rejected and that a test with the same resource usage
# but without register pressure is not rejected.
--- |
define hidden float @high_pressure(ptr nocapture noundef readonly %a, ptr nocapture noundef readonly %b, i32 noundef %sz) local_unnamed_addr #0 {
entry:
%cmp8 = icmp sgt i32 %sz, 0
br i1 %cmp8, label %for.body.preheader, label %for.end
for.body.preheader: ; preds = %entry
%scevgep = getelementptr float, ptr %b, i32 -1
%scevgep4 = getelementptr float, ptr %a, i32 -1
br label %for.body
for.body: ; preds = %for.body.preheader, %for.body
%lsr.iv5 = phi ptr [ %scevgep4, %for.body.preheader ], [ %scevgep6, %for.body ]
%lsr.iv1 = phi ptr [ %scevgep, %for.body.preheader ], [ %scevgep2, %for.body ]
%lsr.iv = phi i32 [ %sz, %for.body.preheader ], [ %lsr.iv.next, %for.body ]
%sum.010 = phi float [ %add, %for.body ], [ 0.000000e+00, %for.body.preheader ]
%scevgep7 = getelementptr float, ptr %lsr.iv5, i32 1
%0 = load float, ptr %scevgep7, align 4
%scevgep3 = getelementptr float, ptr %lsr.iv1, i32 1
%1 = load float, ptr %scevgep3, align 4
%mul = fmul fast float %1, %0
%add = fadd fast float %mul, %sum.010
%lsr.iv.next = add i32 %lsr.iv, -1
%scevgep2 = getelementptr float, ptr %lsr.iv1, i32 1
%scevgep6 = getelementptr float, ptr %lsr.iv5, i32 1
%exitcond.not = icmp eq i32 %lsr.iv.next, 0
br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !0
for.end: ; preds = %for.body, %entry
%sum.0.lcssa = phi float [ 0.000000e+00, %entry ], [ %add, %for.body ]
ret float %sum.0.lcssa
}
!0 = distinct !{!0, !1, !2, !3}
!1 = !{!"llvm.loop.mustprogress"}
!2 = !{!"llvm.loop.unroll.disable"}
!3 = !{!"llvm.loop.pipeline.initiationinterval", i32 3}
define hidden float @low_pressure(ptr nocapture noundef readonly %a, ptr nocapture noundef readonly %b, i32 noundef %sz) local_unnamed_addr #0 {
entry:
%cmp8 = icmp sgt i32 %sz, 0
br i1 %cmp8, label %for.body.preheader, label %for.end
for.body.preheader: ; preds = %entry
%scevgep = getelementptr float, ptr %b, i32 -1
%scevgep4 = getelementptr float, ptr %a, i32 -1
br label %for.body
for.body: ; preds = %for.body.preheader, %for.body
%lsr.iv5 = phi ptr [ %scevgep4, %for.body.preheader ], [ %scevgep6, %for.body ]
%lsr.iv1 = phi ptr [ %scevgep, %for.body.preheader ], [ %scevgep2, %for.body ]
%lsr.iv = phi i32 [ %sz, %for.body.preheader ], [ %lsr.iv.next, %for.body ]
%sum.010 = phi float [ %add, %for.body ], [ 0.000000e+00, %for.body.preheader ]
%scevgep7 = getelementptr float, ptr %lsr.iv5, i32 1
%0 = load float, ptr %scevgep7, align 4
%scevgep3 = getelementptr float, ptr %lsr.iv1, i32 1
%1 = load float, ptr %scevgep3, align 4
%mul = fmul fast float %1, %0
%add = fadd fast float %mul, %sum.010
%lsr.iv.next = add i32 %lsr.iv, -1
%scevgep2 = getelementptr float, ptr %lsr.iv1, i32 1
%scevgep6 = getelementptr float, ptr %lsr.iv5, i32 1
%exitcond.not = icmp eq i32 %lsr.iv.next, 0
br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !4
for.end: ; preds = %for.body, %entry
%sum.0.lcssa = phi float [ 0.000000e+00, %entry ], [ %add, %for.body ]
ret float %sum.0.lcssa
}
!4 = distinct !{!4, !5, !6, !7}
!5 = !{!"llvm.loop.mustprogress"}
!6 = !{!"llvm.loop.unroll.disable"}
!7 = !{!"llvm.loop.pipeline.initiationinterval", i32 3}
...
---
name: high_pressure
alignment: 2
tracksRegLiveness: true
constants:
- id: 0
value: 'float 0.000000e+00'
alignment: 4
isTargetSpecific: false
body: |
; CHECK-LABEL: name: high_pressure
; CHECK: bb.0.entry:
; CHECK-NEXT: successors: %bb.2(0x50000000), %bb.1(0x30000000)
; CHECK-NEXT: liveins: $r0, $r1, $r2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gprnopc = COPY $r2
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gprnopc = COPY $r1
; CHECK-NEXT: [[COPY2:%[0-9]+]]:gprnopc = COPY $r0
; CHECK-NEXT: t2CMPri [[COPY]], 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
; CHECK-NEXT: t2Bcc %bb.2, 10 /* CC::ge */, $cpsr
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.4(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[VLDRS:%[0-9]+]]:spr = VLDRS %const.0, 0, 14 /* CC::al */, $noreg :: (load (s32) from constant-pool)
; CHECK-NEXT: t2B %bb.4, 14 /* CC::al */, $noreg
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2.for.body.preheader:
; CHECK-NEXT: successors: %bb.3(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[t2SUBri:%[0-9]+]]:rgpr = t2SUBri [[COPY1]], 4, 14 /* CC::al */, $noreg, $noreg
; CHECK-NEXT: [[COPY3:%[0-9]+]]:gpr = COPY [[t2SUBri]]
; CHECK-NEXT: [[t2SUBri1:%[0-9]+]]:rgpr = t2SUBri [[COPY2]], 4, 14 /* CC::al */, $noreg, $noreg
; CHECK-NEXT: [[VLDRS1:%[0-9]+]]:spr = VLDRS %const.0, 0, 14 /* CC::al */, $noreg :: (load (s32) from constant-pool)
; CHECK-NEXT: [[COPY4:%[0-9]+]]:gpr = COPY [[t2SUBri1]]
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.3.for.body:
; CHECK-NEXT: successors: %bb.4(0x04000000), %bb.3(0x7c000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[PHI:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.2, %10, %bb.3
; CHECK-NEXT: [[PHI1:%[0-9]+]]:gprnopc = PHI [[COPY3]], %bb.2, %12, %bb.3
; CHECK-NEXT: [[PHI2:%[0-9]+]]:gprnopc = PHI [[COPY]], %bb.2, %14, %bb.3
; CHECK-NEXT: [[PHI3:%[0-9]+]]:spr = PHI [[VLDRS1]], %bb.2, %16, %bb.3
; CHECK-NEXT: [[PHI4:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.2, %18, %bb.3
; CHECK-NEXT: [[PHI5:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.2, %20, %bb.3
; CHECK-NEXT: [[PHI6:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.2, %22, %bb.3
; CHECK-NEXT: [[PHI7:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.2, %24, %bb.3
; CHECK-NEXT: [[PHI8:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.2, %26, %bb.3
; CHECK-NEXT: [[PHI9:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.2, %28, %bb.3
; CHECK-NEXT: [[PHI10:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.2, %30, %bb.3
; CHECK-NEXT: [[PHI11:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.2, %32, %bb.3
; CHECK-NEXT: [[PHI12:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.2, %34, %bb.3
; CHECK-NEXT: [[PHI13:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.2, %36, %bb.3
; CHECK-NEXT: [[PHI14:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.2, %38, %bb.3
; CHECK-NEXT: [[PHI15:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.2, %40, %bb.3
; CHECK-NEXT: [[PHI16:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.2, %42, %bb.3
; CHECK-NEXT: [[PHI17:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.2, %44, %bb.3
; CHECK-NEXT: [[PHI18:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.2, %46, %bb.3
; CHECK-NEXT: [[PHI19:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.2, %48, %bb.3
; CHECK-NEXT: [[PHI20:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.2, %50, %bb.3
; CHECK-NEXT: [[PHI21:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.2, %52, %bb.3
; CHECK-NEXT: [[PHI22:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.2, %54, %bb.3
; CHECK-NEXT: [[t2ADDri:%[0-9]+]]:rgpr = t2ADDri [[PHI]], 4, 14 /* CC::al */, $noreg, $noreg
; CHECK-NEXT: [[VLDRS2:%[0-9]+]]:spr = VLDRS [[PHI]], 1, 14 /* CC::al */, $noreg :: (load (s32) from %ir.scevgep7)
; CHECK-NEXT: [[t2ADDri1:%[0-9]+]]:rgpr = t2ADDri [[PHI1]], 4, 14 /* CC::al */, $noreg, $noreg
; CHECK-NEXT: [[VLDRS3:%[0-9]+]]:spr = VLDRS [[PHI1]], 1, 14 /* CC::al */, $noreg :: (load (s32) from %ir.scevgep3)
; CHECK-NEXT: [[VMULS:%[0-9]+]]:spr = nnan ninf nsz arcp contract afn reassoc VMULS [[VLDRS3]], [[VLDRS2]], 14 /* CC::al */, $noreg
; CHECK-NEXT: [[VADDS:%[0-9]+]]:spr = nnan ninf nsz arcp contract afn reassoc VADDS [[VMULS]], [[PHI3]], 14 /* CC::al */, $noreg
; CHECK-NEXT: [[t2SUBri2:%[0-9]+]]:rgpr = t2SUBri [[PHI2]], 1, 14 /* CC::al */, $noreg, def $cpsr
; CHECK-NEXT: [[COPY5:%[0-9]+]]:gpr = COPY [[t2SUBri2]]
; CHECK-NEXT: [[COPY6:%[0-9]+]]:gpr = COPY [[t2ADDri1]]
; CHECK-NEXT: [[COPY7:%[0-9]+]]:gpr = COPY [[t2ADDri]]
; CHECK-NEXT: [[COPY8:%[0-9]+]]:rgpr = COPY [[PHI4]]
; CHECK-NEXT: [[COPY9:%[0-9]+]]:rgpr = COPY [[PHI5]]
; CHECK-NEXT: [[COPY10:%[0-9]+]]:rgpr = COPY [[PHI6]]
; CHECK-NEXT: [[COPY11:%[0-9]+]]:rgpr = COPY [[PHI7]]
; CHECK-NEXT: [[COPY12:%[0-9]+]]:rgpr = COPY [[PHI8]]
; CHECK-NEXT: [[COPY13:%[0-9]+]]:rgpr = COPY [[PHI9]]
; CHECK-NEXT: [[COPY14:%[0-9]+]]:rgpr = COPY [[PHI10]]
; CHECK-NEXT: [[COPY15:%[0-9]+]]:rgpr = COPY [[PHI11]]
; CHECK-NEXT: [[COPY16:%[0-9]+]]:rgpr = COPY [[PHI12]]
; CHECK-NEXT: [[COPY17:%[0-9]+]]:rgpr = COPY [[PHI13]]
; CHECK-NEXT: [[COPY18:%[0-9]+]]:rgpr = COPY [[PHI14]]
; CHECK-NEXT: [[COPY19:%[0-9]+]]:rgpr = COPY [[PHI15]]
; CHECK-NEXT: [[COPY20:%[0-9]+]]:rgpr = COPY [[PHI16]]
; CHECK-NEXT: [[COPY21:%[0-9]+]]:rgpr = COPY [[PHI17]]
; CHECK-NEXT: [[COPY22:%[0-9]+]]:rgpr = COPY [[PHI18]]
; CHECK-NEXT: [[COPY23:%[0-9]+]]:rgpr = COPY [[PHI19]]
; CHECK-NEXT: [[COPY24:%[0-9]+]]:rgpr = COPY [[PHI20]]
; CHECK-NEXT: [[COPY25:%[0-9]+]]:rgpr = COPY [[PHI21]]
; CHECK-NEXT: [[COPY26:%[0-9]+]]:rgpr = COPY [[PHI22]]
; CHECK-NEXT: t2Bcc %bb.3, 1 /* CC::ne */, $cpsr
; CHECK-NEXT: t2B %bb.4, 14 /* CC::al */, $noreg
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.4.for.end:
; CHECK-NEXT: [[PHI23:%[0-9]+]]:spr = PHI [[VLDRS]], %bb.1, [[VADDS]], %bb.3
; CHECK-NEXT: [[VMOVRS:%[0-9]+]]:gpr = VMOVRS [[PHI23]], 14 /* CC::al */, $noreg
; CHECK-NEXT: $r0 = COPY [[VMOVRS]]
; CHECK-NEXT: tBX_RET 14 /* CC::al */, $noreg, implicit $r0
bb.0.entry:
successors: %bb.1(0x50000000), %bb.4(0x30000000)
liveins: $r0, $r1, $r2
%13:gprnopc = COPY $r2
%12:gprnopc = COPY $r1
%11:gprnopc = COPY $r0
t2CMPri %13, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
t2Bcc %bb.1, 10 /* CC::ge */, $cpsr
bb.4:
successors: %bb.3(0x80000000)
%14:spr = VLDRS %const.0, 0, 14 /* CC::al */, $noreg :: (load (s32) from constant-pool)
t2B %bb.3, 14 /* CC::al */, $noreg
bb.1.for.body.preheader:
successors: %bb.2(0x80000000)
%16:rgpr = t2SUBri %12, 4, 14 /* CC::al */, $noreg, $noreg
%0:gpr = COPY %16
%17:rgpr = t2SUBri %11, 4, 14 /* CC::al */, $noreg, $noreg
%15:spr = VLDRS %const.0, 0, 14 /* CC::al */, $noreg :: (load (s32) from constant-pool)
%1:gpr = COPY %17
bb.2.for.body:
successors: %bb.3(0x04000000), %bb.2(0x7c000000)
%2:gprnopc = PHI %1, %bb.1, %9, %bb.2
%3:gprnopc = PHI %0, %bb.1, %8, %bb.2
%4:gprnopc = PHI %13, %bb.1, %7, %bb.2
%5:spr = PHI %15, %bb.1, %6, %bb.2
%101:gprnopc = PHI %1, %bb.1, %201, %bb.2
%102:gprnopc = PHI %1, %bb.1, %202, %bb.2
%103:gprnopc = PHI %1, %bb.1, %203, %bb.2
%104:gprnopc = PHI %1, %bb.1, %204, %bb.2
%105:gprnopc = PHI %1, %bb.1, %205, %bb.2
%106:gprnopc = PHI %1, %bb.1, %206, %bb.2
%107:gprnopc = PHI %1, %bb.1, %207, %bb.2
%108:gprnopc = PHI %1, %bb.1, %208, %bb.2
%109:gprnopc = PHI %1, %bb.1, %209, %bb.2
%110:gprnopc = PHI %1, %bb.1, %210, %bb.2
%111:gprnopc = PHI %1, %bb.1, %211, %bb.2
%112:gprnopc = PHI %1, %bb.1, %212, %bb.2
%113:gprnopc = PHI %1, %bb.1, %213, %bb.2
%114:gprnopc = PHI %1, %bb.1, %214, %bb.2
%115:gprnopc = PHI %1, %bb.1, %215, %bb.2
%116:gprnopc = PHI %1, %bb.1, %216, %bb.2
%117:gprnopc = PHI %1, %bb.1, %217, %bb.2
%118:gprnopc = PHI %1, %bb.1, %218, %bb.2
%119:gprnopc = PHI %1, %bb.1, %219, %bb.2
%18:rgpr = t2ADDri %2, 4, 14 /* CC::al */, $noreg, $noreg
%19:spr = VLDRS %2, 1, 14 /* CC::al */, $noreg :: (load (s32) from %ir.scevgep7)
%20:rgpr = t2ADDri %3, 4, 14 /* CC::al */, $noreg, $noreg
%21:spr = VLDRS %3, 1, 14 /* CC::al */, $noreg :: (load (s32) from %ir.scevgep3)
%22:spr = nnan ninf nsz arcp contract afn reassoc VMULS killed %21, killed %19, 14 /* CC::al */, $noreg
%6:spr = nnan ninf nsz arcp contract afn reassoc VADDS killed %22, %5, 14 /* CC::al */, $noreg
%23:rgpr = t2SUBri %4, 1, 14 /* CC::al */, $noreg, def $cpsr
%7:gpr = COPY %23
%8:gpr = COPY %20
%9:gpr = COPY %18
%201:rgpr = COPY %101
%202:rgpr = COPY %102
%203:rgpr = COPY %103
%204:rgpr = COPY %104
%205:rgpr = COPY %105
%206:rgpr = COPY %106
%207:rgpr = COPY %107
%208:rgpr = COPY %108
%209:rgpr = COPY %109
%210:rgpr = COPY %110
%211:rgpr = COPY %111
%212:rgpr = COPY %112
%213:rgpr = COPY %113
%214:rgpr = COPY %114
%215:rgpr = COPY %115
%216:rgpr = COPY %116
%217:rgpr = COPY %117
%218:rgpr = COPY %118
%219:rgpr = COPY %119
t2Bcc %bb.2, 1 /* CC::ne */, $cpsr
t2B %bb.3, 14 /* CC::al */, $noreg
bb.3.for.end:
%10:spr = PHI %14, %bb.4, %6, %bb.2
%24:gpr = VMOVRS %10, 14 /* CC::al */, $noreg
$r0 = COPY %24
tBX_RET 14 /* CC::al */, $noreg, implicit $r0
...
---
name: low_pressure
alignment: 2
tracksRegLiveness: true
constants:
- id: 0
value: 'float 0.000000e+00'
alignment: 4
isTargetSpecific: false
body: |
; CHECK-LABEL: name: low_pressure
; CHECK: bb.0.entry:
; CHECK-NEXT: successors: %bb.2(0x50000000), %bb.1(0x30000000)
; CHECK-NEXT: liveins: $r0, $r1, $r2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gprnopc = COPY $r2
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gprnopc = COPY $r1
; CHECK-NEXT: [[COPY2:%[0-9]+]]:gprnopc = COPY $r0
; CHECK-NEXT: t2CMPri [[COPY]], 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
; CHECK-NEXT: t2Bcc %bb.2, 10 /* CC::ge */, $cpsr
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.4(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[VLDRS:%[0-9]+]]:spr = VLDRS %const.0, 0, 14 /* CC::al */, $noreg :: (load (s32) from constant-pool)
; CHECK-NEXT: t2B %bb.4, 14 /* CC::al */, $noreg
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2.for.body.preheader:
; CHECK-NEXT: successors: %bb.5(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[t2SUBri:%[0-9]+]]:rgpr = t2SUBri [[COPY1]], 4, 14 /* CC::al */, $noreg, $noreg
; CHECK-NEXT: [[COPY3:%[0-9]+]]:gprnopc = COPY [[t2SUBri]]
; CHECK-NEXT: [[t2SUBri1:%[0-9]+]]:rgpr = t2SUBri [[COPY2]], 4, 14 /* CC::al */, $noreg, $noreg
; CHECK-NEXT: [[VLDRS1:%[0-9]+]]:spr = VLDRS %const.0, 0, 14 /* CC::al */, $noreg :: (load (s32) from constant-pool)
; CHECK-NEXT: [[COPY4:%[0-9]+]]:gprnopc = COPY [[t2SUBri1]]
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.5.for.body:
; CHECK-NEXT: successors: %bb.6(0x40000000), %bb.9(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[t2SUBri2:%[0-9]+]]:rgpr = t2SUBri [[COPY]], 1, 14 /* CC::al */, $noreg, def $cpsr
; CHECK-NEXT: [[COPY5:%[0-9]+]]:gprnopc = COPY [[t2SUBri2]]
; CHECK-NEXT: [[COPY6:%[0-9]+]]:rgpr = COPY [[COPY4]]
; CHECK-NEXT: dead %66:rgpr = COPY [[COPY4]]
; CHECK-NEXT: dead %67:rgpr = COPY [[COPY4]]
; CHECK-NEXT: dead %68:rgpr = COPY [[COPY4]]
; CHECK-NEXT: dead %69:rgpr = COPY [[COPY4]]
; CHECK-NEXT: dead %70:rgpr = COPY [[COPY4]]
; CHECK-NEXT: dead %71:rgpr = COPY [[COPY4]]
; CHECK-NEXT: dead %72:rgpr = COPY [[COPY4]]
; CHECK-NEXT: dead %73:rgpr = COPY [[COPY4]]
; CHECK-NEXT: dead %74:rgpr = COPY [[COPY4]]
; CHECK-NEXT: dead %75:rgpr = COPY [[COPY4]]
; CHECK-NEXT: dead %76:rgpr = COPY [[COPY4]]
; CHECK-NEXT: dead %77:rgpr = COPY [[COPY4]]
; CHECK-NEXT: dead %78:rgpr = COPY [[COPY4]]
; CHECK-NEXT: dead %79:rgpr = COPY [[COPY4]]
; CHECK-NEXT: dead %80:rgpr = COPY [[COPY4]]
; CHECK-NEXT: dead %81:rgpr = COPY [[COPY4]]
; CHECK-NEXT: dead %82:rgpr = COPY [[COPY4]]
; CHECK-NEXT: dead %83:rgpr = COPY [[COPY4]]
; CHECK-NEXT: t2Bcc %bb.9, 0 /* CC::eq */, $cpsr
; CHECK-NEXT: t2B %bb.6, 14 /* CC::al */, $noreg
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.6.for.body:
; CHECK-NEXT: successors: %bb.7(0x80000000), %bb.8(0x00000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[t2ADDri:%[0-9]+]]:rgpr = t2ADDri [[COPY4]], 4, 14 /* CC::al */, $noreg, $noreg
; CHECK-NEXT: [[VLDRS2:%[0-9]+]]:spr = VLDRS [[COPY4]], 1, 14 /* CC::al */, $noreg :: (load (s32) from %ir.scevgep7)
; CHECK-NEXT: [[t2ADDri1:%[0-9]+]]:rgpr = t2ADDri [[COPY3]], 4, 14 /* CC::al */, $noreg, $noreg
; CHECK-NEXT: [[VLDRS3:%[0-9]+]]:spr = VLDRS [[COPY3]], 1, 14 /* CC::al */, $noreg :: (load (s32) from %ir.scevgep3)
; CHECK-NEXT: [[VMULS:%[0-9]+]]:spr = nnan ninf nsz arcp contract afn reassoc VMULS [[VLDRS3]], [[VLDRS2]], 14 /* CC::al */, $noreg
; CHECK-NEXT: [[COPY7:%[0-9]+]]:gpr = COPY [[t2ADDri1]]
; CHECK-NEXT: [[COPY8:%[0-9]+]]:gpr = COPY [[t2ADDri]]
; CHECK-NEXT: [[t2SUBri3:%[0-9]+]]:rgpr = t2SUBri [[COPY5]], 1, 14 /* CC::al */, $noreg, def $cpsr
; CHECK-NEXT: [[COPY9:%[0-9]+]]:gpr = COPY [[t2SUBri3]]
; CHECK-NEXT: [[COPY10:%[0-9]+]]:rgpr = COPY [[COPY6]]
; CHECK-NEXT: dead %94:rgpr = COPY [[COPY6]]
; CHECK-NEXT: dead %95:rgpr = COPY [[COPY6]]
; CHECK-NEXT: dead %96:rgpr = COPY [[COPY6]]
; CHECK-NEXT: dead %97:rgpr = COPY [[COPY6]]
; CHECK-NEXT: dead %98:rgpr = COPY [[COPY6]]
; CHECK-NEXT: dead %99:rgpr = COPY [[COPY6]]
; CHECK-NEXT: dead %100:rgpr = COPY [[COPY6]]
; CHECK-NEXT: dead %101:rgpr = COPY [[COPY6]]
; CHECK-NEXT: dead %102:rgpr = COPY [[COPY6]]
; CHECK-NEXT: dead %103:rgpr = COPY [[COPY6]]
; CHECK-NEXT: dead %104:rgpr = COPY [[COPY6]]
; CHECK-NEXT: dead %105:rgpr = COPY [[COPY6]]
; CHECK-NEXT: dead %106:rgpr = COPY [[COPY6]]
; CHECK-NEXT: dead %107:rgpr = COPY [[COPY6]]
; CHECK-NEXT: dead %108:rgpr = COPY [[COPY6]]
; CHECK-NEXT: dead %109:rgpr = COPY [[COPY6]]
; CHECK-NEXT: dead %110:rgpr = COPY [[COPY6]]
; CHECK-NEXT: dead %111:rgpr = COPY [[COPY6]]
; CHECK-NEXT: t2Bcc %bb.8, 0 /* CC::eq */, $cpsr
; CHECK-NEXT: t2B %bb.7, 14 /* CC::al */, $noreg
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.7.for.body:
; CHECK-NEXT: successors: %bb.8(0x04000000), %bb.7(0x7c000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[PHI:%[0-9]+]]:gprnopc = PHI [[COPY8]], %bb.6, %116, %bb.7
; CHECK-NEXT: [[PHI1:%[0-9]+]]:gprnopc = PHI [[COPY7]], %bb.6, %117, %bb.7
; CHECK-NEXT: [[PHI2:%[0-9]+]]:gprnopc = PHI [[COPY9]], %bb.6, %140, %bb.7
; CHECK-NEXT: [[PHI3:%[0-9]+]]:spr = PHI [[VLDRS1]], %bb.6, %137, %bb.7
; CHECK-NEXT: [[PHI4:%[0-9]+]]:gprnopc = PHI [[COPY10]], %bb.6, %139, %bb.7
; CHECK-NEXT: [[PHI5:%[0-9]+]]:spr = PHI [[VMULS]], %bb.6, %118, %bb.7
; CHECK-NEXT: [[VLDRS4:%[0-9]+]]:spr = VLDRS [[PHI1]], 1, 14 /* CC::al */, $noreg :: (load unknown-size from %ir.scevgep3, align 4)
; CHECK-NEXT: [[VLDRS5:%[0-9]+]]:spr = VLDRS [[PHI]], 1, 14 /* CC::al */, $noreg :: (load unknown-size from %ir.scevgep7, align 4)
; CHECK-NEXT: [[t2ADDri2:%[0-9]+]]:rgpr = t2ADDri [[PHI]], 4, 14 /* CC::al */, $noreg, $noreg
; CHECK-NEXT: [[t2ADDri3:%[0-9]+]]:rgpr = t2ADDri [[PHI1]], 4, 14 /* CC::al */, $noreg, $noreg
; CHECK-NEXT: [[COPY11:%[0-9]+]]:gpr = COPY [[t2ADDri2]]
; CHECK-NEXT: [[COPY12:%[0-9]+]]:gpr = COPY [[t2ADDri3]]
; CHECK-NEXT: [[VMULS1:%[0-9]+]]:spr = nnan ninf nsz arcp contract afn reassoc VMULS [[VLDRS4]], [[VLDRS5]], 14 /* CC::al */, $noreg
; CHECK-NEXT: dead %119:rgpr = COPY [[PHI4]]
; CHECK-NEXT: dead %120:rgpr = COPY [[PHI4]]
; CHECK-NEXT: dead %121:rgpr = COPY [[PHI4]]
; CHECK-NEXT: dead %122:rgpr = COPY [[PHI4]]
; CHECK-NEXT: dead %123:rgpr = COPY [[PHI4]]
; CHECK-NEXT: dead %124:rgpr = COPY [[PHI4]]
; CHECK-NEXT: dead %125:rgpr = COPY [[PHI4]]
; CHECK-NEXT: dead %126:rgpr = COPY [[PHI4]]
; CHECK-NEXT: dead %127:rgpr = COPY [[PHI4]]
; CHECK-NEXT: dead %128:rgpr = COPY [[PHI4]]
; CHECK-NEXT: dead %129:rgpr = COPY [[PHI4]]
; CHECK-NEXT: dead %130:rgpr = COPY [[PHI4]]
; CHECK-NEXT: dead %131:rgpr = COPY [[PHI4]]
; CHECK-NEXT: dead %132:rgpr = COPY [[PHI4]]
; CHECK-NEXT: dead %133:rgpr = COPY [[PHI4]]
; CHECK-NEXT: dead %134:rgpr = COPY [[PHI4]]
; CHECK-NEXT: dead %135:rgpr = COPY [[PHI4]]
; CHECK-NEXT: dead %136:rgpr = COPY [[PHI4]]
; CHECK-NEXT: [[VADDS:%[0-9]+]]:spr = nnan ninf nsz arcp contract afn reassoc VADDS [[PHI5]], [[PHI3]], 14 /* CC::al */, $noreg
; CHECK-NEXT: [[t2SUBri4:%[0-9]+]]:rgpr = t2SUBri [[PHI2]], 1, 14 /* CC::al */, $noreg, def $cpsr
; CHECK-NEXT: [[COPY13:%[0-9]+]]:rgpr = COPY [[PHI4]]
; CHECK-NEXT: [[COPY14:%[0-9]+]]:gpr = COPY [[t2SUBri4]]
; CHECK-NEXT: t2Bcc %bb.7, 1 /* CC::ne */, $cpsr
; CHECK-NEXT: t2B %bb.8, 14 /* CC::al */, $noreg
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.8:
; CHECK-NEXT: successors: %bb.9(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[PHI6:%[0-9]+]]:gprnopc = PHI [[COPY8]], %bb.6, [[COPY11]], %bb.7
; CHECK-NEXT: [[PHI7:%[0-9]+]]:gprnopc = PHI [[COPY7]], %bb.6, [[COPY12]], %bb.7
; CHECK-NEXT: [[PHI8:%[0-9]+]]:spr = PHI [[VLDRS1]], %bb.6, [[VADDS]], %bb.7
; CHECK-NEXT: [[PHI9:%[0-9]+]]:spr = PHI [[VMULS]], %bb.6, [[VMULS1]], %bb.7
; CHECK-NEXT: [[VADDS1:%[0-9]+]]:spr = nnan ninf nsz arcp contract afn reassoc VADDS [[PHI9]], [[PHI8]], 14 /* CC::al */, $noreg
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.9:
; CHECK-NEXT: successors: %bb.4(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[PHI10:%[0-9]+]]:gprnopc = PHI [[COPY4]], %bb.5, [[PHI6]], %bb.8
; CHECK-NEXT: [[PHI11:%[0-9]+]]:gprnopc = PHI [[COPY3]], %bb.5, [[PHI7]], %bb.8
; CHECK-NEXT: [[PHI12:%[0-9]+]]:spr = PHI [[VLDRS1]], %bb.5, [[VADDS1]], %bb.8
; CHECK-NEXT: [[VLDRS6:%[0-9]+]]:spr = VLDRS [[PHI10]], 1, 14 /* CC::al */, $noreg :: (load unknown-size from %ir.scevgep7, align 4)
; CHECK-NEXT: [[VLDRS7:%[0-9]+]]:spr = VLDRS [[PHI11]], 1, 14 /* CC::al */, $noreg :: (load unknown-size from %ir.scevgep3, align 4)
; CHECK-NEXT: [[VMULS2:%[0-9]+]]:spr = nnan ninf nsz arcp contract afn reassoc VMULS [[VLDRS7]], [[VLDRS6]], 14 /* CC::al */, $noreg
; CHECK-NEXT: [[VADDS2:%[0-9]+]]:spr = nnan ninf nsz arcp contract afn reassoc VADDS [[VMULS2]], [[PHI12]], 14 /* CC::al */, $noreg
; CHECK-NEXT: t2B %bb.4, 14 /* CC::al */, $noreg
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.4.for.end:
; CHECK-NEXT: [[PHI13:%[0-9]+]]:spr = PHI [[VLDRS]], %bb.1, [[VADDS2]], %bb.9
; CHECK-NEXT: [[VMOVRS:%[0-9]+]]:gpr = VMOVRS [[PHI13]], 14 /* CC::al */, $noreg
; CHECK-NEXT: $r0 = COPY [[VMOVRS]]
; CHECK-NEXT: tBX_RET 14 /* CC::al */, $noreg, implicit $r0
bb.0.entry:
successors: %bb.1(0x50000000), %bb.4(0x30000000)
liveins: $r0, $r1, $r2
%13:gprnopc = COPY $r2
%12:gprnopc = COPY $r1
%11:gprnopc = COPY $r0
t2CMPri %13, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
t2Bcc %bb.1, 10 /* CC::ge */, $cpsr
bb.4:
successors: %bb.3(0x80000000)
%14:spr = VLDRS %const.0, 0, 14 /* CC::al */, $noreg :: (load (s32) from constant-pool)
t2B %bb.3, 14 /* CC::al */, $noreg
bb.1.for.body.preheader:
successors: %bb.2(0x80000000)
%16:rgpr = t2SUBri %12, 4, 14 /* CC::al */, $noreg, $noreg
%0:gpr = COPY %16
%17:rgpr = t2SUBri %11, 4, 14 /* CC::al */, $noreg, $noreg
%15:spr = VLDRS %const.0, 0, 14 /* CC::al */, $noreg :: (load (s32) from constant-pool)
%1:gpr = COPY %17
bb.2.for.body:
successors: %bb.3(0x04000000), %bb.2(0x7c000000)
%2:gprnopc = PHI %1, %bb.1, %9, %bb.2
%3:gprnopc = PHI %0, %bb.1, %8, %bb.2
%4:gprnopc = PHI %13, %bb.1, %7, %bb.2
%5:spr = PHI %15, %bb.1, %6, %bb.2
%101:gprnopc = PHI %1, %bb.1, %201, %bb.2
%102:gprnopc = PHI %1, %bb.1, %201, %bb.2
%103:gprnopc = PHI %1, %bb.1, %201, %bb.2
%104:gprnopc = PHI %1, %bb.1, %201, %bb.2
%105:gprnopc = PHI %1, %bb.1, %201, %bb.2
%106:gprnopc = PHI %1, %bb.1, %201, %bb.2
%107:gprnopc = PHI %1, %bb.1, %201, %bb.2
%108:gprnopc = PHI %1, %bb.1, %201, %bb.2
%109:gprnopc = PHI %1, %bb.1, %201, %bb.2
%110:gprnopc = PHI %1, %bb.1, %201, %bb.2
%111:gprnopc = PHI %1, %bb.1, %201, %bb.2
%112:gprnopc = PHI %1, %bb.1, %201, %bb.2
%113:gprnopc = PHI %1, %bb.1, %201, %bb.2
%114:gprnopc = PHI %1, %bb.1, %201, %bb.2
%115:gprnopc = PHI %1, %bb.1, %201, %bb.2
%116:gprnopc = PHI %1, %bb.1, %201, %bb.2
%117:gprnopc = PHI %1, %bb.1, %201, %bb.2
%118:gprnopc = PHI %1, %bb.1, %201, %bb.2
%119:gprnopc = PHI %1, %bb.1, %201, %bb.2
%18:rgpr = t2ADDri %2, 4, 14 /* CC::al */, $noreg, $noreg
%19:spr = VLDRS %2, 1, 14 /* CC::al */, $noreg :: (load (s32) from %ir.scevgep7)
%20:rgpr = t2ADDri %3, 4, 14 /* CC::al */, $noreg, $noreg
%21:spr = VLDRS %3, 1, 14 /* CC::al */, $noreg :: (load (s32) from %ir.scevgep3)
%22:spr = nnan ninf nsz arcp contract afn reassoc VMULS killed %21, killed %19, 14 /* CC::al */, $noreg
%6:spr = nnan ninf nsz arcp contract afn reassoc VADDS killed %22, %5, 14 /* CC::al */, $noreg
%23:rgpr = t2SUBri %4, 1, 14 /* CC::al */, $noreg, def $cpsr
%7:gpr = COPY %23
%8:gpr = COPY %20
%9:gpr = COPY %18
%201:rgpr = COPY %101
%202:rgpr = COPY %101
%203:rgpr = COPY %101
%204:rgpr = COPY %101
%205:rgpr = COPY %101
%206:rgpr = COPY %101
%207:rgpr = COPY %101
%208:rgpr = COPY %101
%209:rgpr = COPY %101
%210:rgpr = COPY %101
%211:rgpr = COPY %101
%212:rgpr = COPY %101
%213:rgpr = COPY %101
%214:rgpr = COPY %101
%215:rgpr = COPY %101
%216:rgpr = COPY %101
%217:rgpr = COPY %101
%218:rgpr = COPY %101
%219:rgpr = COPY %101
t2Bcc %bb.2, 1 /* CC::ne */, $cpsr
t2B %bb.3, 14 /* CC::al */, $noreg
bb.3.for.end:
%10:spr = PHI %14, %bb.4, %6, %bb.2
%24:gpr = VMOVRS %10, 14 /* CC::al */, $noreg
$r0 = COPY %24
tBX_RET 14 /* CC::al */, $noreg, implicit $r0
...
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