# RUN: llc -start-after ppc-mi-peepholes -ppc-late-peephole %s -o - | FileCheck %s
--- |
; ModuleID = 'a.ll'
source_filename = "a.c"
target datalayout = "e-m:e-i64:64-n32:64"
target triple = "powerpc64le-unknown-linux-gnu"
; Function Attrs: norecurse nounwind readnone
define signext i32 @unsafeAddR0R3(i32 signext %a, i32 signext %b) local_unnamed_addr #0 {
entry:
%add = add nsw i32 %b, %a
ret i32 %add
}
; Function Attrs: norecurse nounwind readnone
define signext i32 @unsafeAddR3R0(i32 signext %a, i32 signext %b) local_unnamed_addr #0 {
entry:
%add = add nsw i32 %b, %a
ret i32 %add
}
; Function Attrs: norecurse nounwind readnone
define signext i32 @safeAddR0R3(i32 signext %a, i32 signext %b) local_unnamed_addr #0 {
entry:
%add = add nsw i32 %b, %a
ret i32 %add
}
; Function Attrs: norecurse nounwind readnone
define signext i32 @safeAddR3R0(i32 signext %a, i32 signext %b) local_unnamed_addr #0 {
entry:
%add = add nsw i32 %b, %a
ret i32 %add
}
; Function Attrs: norecurse nounwind readonly
define i64 @unsafeLDXR3R0(i64* nocapture readonly %ptr, i64 %off) local_unnamed_addr #1 {
entry:
%0 = bitcast i64* %ptr to i8*
%add.ptr = getelementptr inbounds i8, i8* %0, i64 %off
%1 = bitcast i8* %add.ptr to i64*
%2 = load i64, i64* %1, align 8, !tbaa !3
ret i64 %2
}
; Function Attrs: norecurse nounwind readonly
define i64 @safeLDXZeroR3(i64* nocapture readonly %ptr, i64 %off) local_unnamed_addr #1 {
entry:
%0 = bitcast i64* %ptr to i8*
%add.ptr = getelementptr inbounds i8, i8* %0, i64 %off
%1 = bitcast i8* %add.ptr to i64*
%2 = load i64, i64* %1, align 8, !tbaa !3
ret i64 %2
}
; Function Attrs: norecurse nounwind readonly
define i64 @safeLDXR3R0(i64* nocapture readonly %ptr, i64 %off) local_unnamed_addr #1 {
entry:
%0 = bitcast i64* %ptr to i8*
%add.ptr = getelementptr inbounds i8, i8* %0, i64 %off
%1 = bitcast i8* %add.ptr to i64*
%2 = load i64, i64* %1, align 8, !tbaa !3
ret i64 %2
}
attributes #0 = { norecurse nounwind readnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="ppc64le" "target-features"="+altivec,+bpermd,+crypto,+direct-move,+extdiv,+htm,+power8-vector,+vsx,-power9-vector" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { norecurse nounwind readonly "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="ppc64le" "target-features"="+altivec,+bpermd,+crypto,+direct-move,+extdiv,+htm,+power8-vector,+vsx,-power9-vector" "unsafe-fp-math"="false" "use-soft-float"="false" }
!llvm.module.flags = !{!0, !1}
!llvm.ident = !{!2}
!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 7, !"PIC Level", i32 2}
!2 = !{!"clang version 6.0.0 (trunk 318832)"}
!3 = !{!4, !4, i64 0}
!4 = !{!"long long", !5, i64 0}
!5 = !{!"omnipotent char", !6, i64 0}
!6 = !{!"Simple C/C++ TBAA"}
...
---
name: unsafeAddR0R3
alignment: 16
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: g8rc, preferred-register: '' }
- { id: 1, class: g8rc, preferred-register: '' }
- { id: 2, class: gprc, preferred-register: '' }
- { id: 3, class: gprc, preferred-register: '' }
- { id: 4, class: gprc, preferred-register: '' }
- { id: 5, class: g8rc, preferred-register: '' }
liveins:
- { reg: '$x3', virtual-reg: '%0' }
- { reg: '$x4', virtual-reg: '%1' }
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 0
adjustsStack: false
hasCalls: false
stackProtector: ''
maxCallFrameSize: 4294967295
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
savePoint: ''
restorePoint: ''
fixedStack:
stack:
constants:
body: |
bb.0.entry:
liveins: $x0, $x4
%1:g8rc = COPY $x4
%0:g8rc = COPY $x0
%2:gprc = LI 44
%3:gprc = COPY %1.sub_32
%4:gprc = ADD4 killed $r0, killed %2
; CHECK: li 3, 44
; CHECK: add 3, 0, 3
%5:g8rc = EXTSW_32_64 killed %4
$x3 = COPY %5
BLR8 implicit $lr8, implicit $rm, implicit $x3
...
---
name: unsafeAddR3R0
alignment: 16
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: g8rc, preferred-register: '' }
- { id: 1, class: g8rc, preferred-register: '' }
- { id: 2, class: gprc, preferred-register: '' }
- { id: 3, class: gprc, preferred-register: '' }
- { id: 4, class: gprc, preferred-register: '' }
- { id: 5, class: g8rc, preferred-register: '' }
liveins:
- { reg: '$x3', virtual-reg: '%0' }
- { reg: '$x4', virtual-reg: '%1' }
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 0
adjustsStack: false
hasCalls: false
stackProtector: ''
maxCallFrameSize: 4294967295
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
savePoint: ''
restorePoint: ''
fixedStack:
stack:
constants:
body: |
bb.0.entry:
liveins: $x0, $x4
%1:g8rc = COPY $x4
%0:g8rc = COPY $x0
%2:gprc = COPY %0.sub_32
%3:gprc = LI 44
%4:gprc = ADD4 killed %3, killed $r0
; CHECK: li 3, 44
; CHECK: add 3, 3, 0
%5:g8rc = EXTSW_32_64 killed %4
$x3 = COPY %5
BLR8 implicit $lr8, implicit $rm, implicit $x3
...
---
name: safeAddR0R3
alignment: 16
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: g8rc, preferred-register: '' }
- { id: 1, class: g8rc, preferred-register: '' }
- { id: 2, class: gprc, preferred-register: '' }
- { id: 3, class: gprc, preferred-register: '' }
- { id: 4, class: gprc, preferred-register: '' }
- { id: 5, class: g8rc, preferred-register: '' }
liveins:
- { reg: '$x3', virtual-reg: '%0' }
- { reg: '$x4', virtual-reg: '%1' }
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 0
adjustsStack: false
hasCalls: false
stackProtector: ''
maxCallFrameSize: 4294967295
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
savePoint: ''
restorePoint: ''
fixedStack:
stack:
constants:
body: |
bb.0.entry:
liveins: $x3, $x4
%1:g8rc = COPY $x4
%0:g8rc = COPY $x3
%2:gprc = COPY %0.sub_32
$r0 = LI 44
%4:gprc = ADD4 killed $r0, killed %2
; CHECK: addi 3, 3, 44
%5:g8rc = EXTSW_32_64 killed %4
$x3 = COPY %5
BLR8 implicit $lr8, implicit $rm, implicit $x3
...
---
name: safeAddR3R0
alignment: 16
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: g8rc, preferred-register: '' }
- { id: 1, class: g8rc, preferred-register: '' }
- { id: 2, class: gprc, preferred-register: '' }
- { id: 3, class: gprc, preferred-register: '' }
- { id: 4, class: gprc, preferred-register: '' }
- { id: 5, class: g8rc, preferred-register: '' }
liveins:
- { reg: '$x3', virtual-reg: '%0' }
- { reg: '$x4', virtual-reg: '%1' }
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 0
adjustsStack: false
hasCalls: false
stackProtector: ''
maxCallFrameSize: 4294967295
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
savePoint: ''
restorePoint: ''
fixedStack:
stack:
constants:
body: |
bb.0.entry:
liveins: $x3, $x4
%1:g8rc = COPY $x4
%0:g8rc = COPY $x3
%2:gprc = COPY %0.sub_32
$r0 = LI 44
%4:gprc = ADD4 killed %2, killed $r0
; CHECK: addi 3, 3, 44
%5:g8rc = EXTSW_32_64 killed %4
$x3 = COPY %5
BLR8 implicit $lr8, implicit $rm, implicit $x3
...
---
name: unsafeLDXR3R0
alignment: 16
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: g8rc_and_g8rc_nox0, preferred-register: '' }
- { id: 1, class: g8rc, preferred-register: '' }
- { id: 2, class: g8rc, preferred-register: '' }
liveins:
- { reg: '$x0', virtual-reg: '%0' }
- { reg: '$x4', virtual-reg: '%1' }
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 0
adjustsStack: false
hasCalls: false
stackProtector: ''
maxCallFrameSize: 4294967295
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
savePoint: ''
restorePoint: ''
fixedStack:
stack:
constants:
body: |
bb.0.entry:
liveins: $x0, $x4
%1:g8rc = COPY $x4
%0:g8rc_and_g8rc_nox0 = LI8 44
%2:g8rc = LDX %0, $x0 :: (load (s64) from %ir.1, !tbaa !3)
; CHECK: li 3, 44
; CHECK: ldx 3, 3, 0
$x3 = COPY %2
BLR8 implicit $lr8, implicit $rm, implicit $x3
...
---
name: safeLDXZeroR3
alignment: 16
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: g8rc_and_g8rc_nox0, preferred-register: '' }
- { id: 1, class: g8rc, preferred-register: '' }
- { id: 2, class: g8rc, preferred-register: '' }
liveins:
- { reg: '$x3', virtual-reg: '%0' }
- { reg: '$x4', virtual-reg: '%1' }
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 0
adjustsStack: false
hasCalls: false
stackProtector: ''
maxCallFrameSize: 4294967295
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
savePoint: ''
restorePoint: ''
fixedStack:
stack:
constants:
body: |
bb.0.entry:
liveins: $x3, $x4
%1:g8rc = LI8 44
%0:g8rc_and_g8rc_nox0 = LI8 44
%2:g8rc = LDX $zero8, %1 :: (load (s64) from %ir.1, !tbaa !3)
; CHECK: ld 3, 44(0)
$x3 = COPY %2
BLR8 implicit $lr8, implicit $rm, implicit $x3
...
---
name: safeLDXR3R0
alignment: 16
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: g8rc_and_g8rc_nox0, preferred-register: '' }
- { id: 1, class: g8rc, preferred-register: '' }
- { id: 2, class: g8rc, preferred-register: '' }
liveins:
- { reg: '$x3', virtual-reg: '%0' }
- { reg: '$x4', virtual-reg: '%1' }
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 0
adjustsStack: false
hasCalls: false
stackProtector: ''
maxCallFrameSize: 4294967295
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
savePoint: ''
restorePoint: ''
fixedStack:
stack:
constants:
body: |
bb.0.entry:
liveins: $x3, $x4
$x0 = LI8 44
%0:g8rc_and_g8rc_nox0 = COPY $x3
%2:g8rc = LDX %0, $x0 :: (load (s64) from %ir.1, !tbaa !3)
; CHECK: ld 3, 44(3)
$x3 = COPY %2
BLR8 implicit $lr8, implicit $rm, implicit $x3
...