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|
# RUN: llc -run-pass=post-RA-sched %s -o - | FileCheck %s
# CHECK: callee-saved-register: '[[REG:%x[0-9]+]]'
# CHECK: callee-saved-register: '{{%x[0-9]+}}'
# CHECK-NOT: [[REG]] = LI8 0
# CHECK: STD killed [[REG]],
--- |
; ModuleID = '<stdin>'
source_filename = "bugpoint-output-4d91ae2.bc"
target datalayout = "e-m:e-i64:64-n32:64"
target triple = "powerpc64le--linux-gnu"
; Function Attrs: norecurse nounwind readonly
define i64 @adler32_z(i64 %adler, i8* readonly %buf, i64 %len) local_unnamed_addr #0 {
entry:
%shr = lshr i64 %adler, 16
%and = and i64 %shr, 65535
%and1 = and i64 %adler, 65535
br i1 undef, label %if.then, label %if.end15
if.then: ; preds = %entry
%add5 = add nsw i64 %and1, %and
%sub9 = add nsw i64 %add5, 281474976645135
%shl = shl i64 %add5, 16
%or = or i64 %shl, %and1
br label %cleanup
if.end15: ; preds = %entry
br i1 undef, label %while.cond.preheader, label %while.cond30.preheader
while.cond30.preheader: ; preds = %if.end15
br i1 undef, label %while.body33.preheader, label %while.body109.preheader
while.body33.preheader: ; preds = %while.cond30.preheader
br label %while.body33
while.cond.preheader: ; preds = %if.end15
%sub25 = add i64 %and1, -65521
%rem = urem i64 %and, 65521
%shl27 = shl nuw nsw i64 %rem, 16
%or28 = or i64 %shl27, %and1
br label %cleanup
while.body33: ; preds = %do.end, %while.body33.preheader
%indvar = phi i64 [ %indvar.next, %do.end ], [ 0, %while.body33.preheader ]
%sum2.2385 = phi i64 [ %rem102, %do.end ], [ %and, %while.body33.preheader ]
%len.addr.1384 = phi i64 [ %sub34, %do.end ], [ %len, %while.body33.preheader ]
%buf.addr.1383 = phi i8* [ %scevgep390, %do.end ], [ %buf, %while.body33.preheader ]
%adler.addr.3382 = phi i64 [ %rem101, %do.end ], [ %and1, %while.body33.preheader ]
%0 = mul i64 %indvar, 5552
%1 = add i64 %0, -13
%scevgep2 = getelementptr i8, i8* %buf, i64 %1
%sub34 = add i64 %len.addr.1384, -5552
call void @llvm.ppc.mtctr.i64(i64 347)
br label %do.body
do.body: ; preds = %do.body, %while.body33
%adler.addr.4 = phi i64 [ %adler.addr.3382, %while.body33 ], [ %add49, %do.body ]
%sum2.3 = phi i64 [ %sum2.2385, %while.body33 ], [ %add98, %do.body ]
%tmp15.phi = phi i8* [ %scevgep2, %while.body33 ], [ %tmp15.inc, %do.body ]
%tmp15.inc = getelementptr i8, i8* %tmp15.phi, i64 16
%add38 = add i64 %adler.addr.4, %sum2.3
%add42 = add i64 %add38, %adler.addr.4
%add46 = add i64 %add42, %adler.addr.4
%tmp15 = load i8, i8* %tmp15.inc, align 1, !tbaa !1
%conv48 = zext i8 %tmp15 to i64
%add49 = add i64 %adler.addr.4, %conv48
%add50 = add i64 %add46, %add49
%add54 = add i64 %add50, %add49
%add58 = add i64 %add54, %add49
%add62 = add i64 %add58, %add49
%add66 = add i64 %add62, %add49
%add70 = add i64 %add66, %add49
%add74 = add i64 %add70, %add49
%add78 = add i64 %add74, %add49
%add82 = add i64 %add78, %add49
%add86 = add i64 %add82, %add49
%add90 = add i64 %add86, %add49
%add94 = add i64 %add90, %add49
%add98 = add i64 %add94, %add49
%2 = call i1 @llvm.ppc.is.decremented.ctr.nonzero()
br i1 %2, label %do.body, label %do.end
do.end: ; preds = %do.body
%scevgep390 = getelementptr i8, i8* %buf.addr.1383, i64 5552
%rem101 = urem i64 %add49, 65521
%rem102 = urem i64 %add98, 65521
%cmp31 = icmp ugt i64 %sub34, 5551
%indvar.next = add i64 %indvar, 1
br i1 %cmp31, label %while.body33, label %while.end103
while.end103: ; preds = %do.end
br i1 undef, label %if.end188, label %while.body109.preheader
while.body109.preheader: ; preds = %while.end103, %while.cond30.preheader
%buf.addr.1.lcssa394400 = phi i8* [ %buf, %while.cond30.preheader ], [ %scevgep390, %while.end103 ]
%arrayidx151 = getelementptr inbounds i8, i8* %buf.addr.1.lcssa394400, i64 10
%tmp45 = load i8, i8* %arrayidx151, align 1, !tbaa !1
%conv152 = zext i8 %tmp45 to i64
br label %while.body109
while.body109: ; preds = %while.body109, %while.body109.preheader
%adler.addr.5373 = phi i64 [ %add153, %while.body109 ], [ undef, %while.body109.preheader ]
%add153 = add i64 %adler.addr.5373, %conv152
br label %while.body109
if.end188: ; preds = %while.end103
%shl189 = shl nuw nsw i64 %rem102, 16
%or190 = or i64 %shl189, %rem101
br label %cleanup
cleanup: ; preds = %if.end188, %while.cond.preheader, %if.then
%retval.0 = phi i64 [ %or, %if.then ], [ %or28, %while.cond.preheader ], [ %or190, %if.end188 ]
ret i64 %retval.0
}
; Function Attrs: nounwind
declare void @llvm.ppc.mtctr.i64(i64) #1
; Function Attrs: nounwind
declare i1 @llvm.ppc.is.decremented.ctr.nonzero() #1
; Function Attrs: nounwind
declare void @llvm.stackprotector(i8*, i8**) #1
attributes #0 = { norecurse nounwind readonly "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "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,+power8-vector,+vsx,-power9-vector,-qpx" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind }
!llvm.ident = !{!0}
!0 = !{!"clang version 5.0.0 "}
!1 = !{!2, !2, i64 0}
!2 = !{!"omnipotent char", !3, i64 0}
!3 = !{!"Simple C/C++ TBAA"}
...
---
name: adler32_z
alignment: 4
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
tracksRegLiveness: true
liveins:
- { reg: '%x3' }
- { reg: '%x4' }
- { reg: '%x5' }
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 0
adjustsStack: false
hasCalls: false
maxCallFrameSize: 0
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
fixedStack:
- { id: 0, type: spill-slot, offset: -16, size: 8, alignment: 16, callee-saved-register: '%x30' }
- { id: 1, type: spill-slot, offset: -24, size: 8, alignment: 8, callee-saved-register: '%x29' }
- { id: 2, offset: -8, size: 8, alignment: 8, isImmutable: true, isAliased: false }
body: |
bb.0.entry:
successors: %bb.1.if.then(0x40000000), %bb.3.if.end15(0x40000000)
liveins: %x3, %x4, %x5, %x29, %x30
%x6 = RLWINM8 %x3, 16, 16, 31
%x3 = RLDICL killed %x3, 0, 48
BC undef %cr5lt, %bb.3.if.end15
bb.1.if.then:
successors: %bb.2.if.then(0x80000000)
liveins: %x3, %x6, %x29, %x30
%x4 = ADD8 %x3, killed %x6
bb.2.if.then:
liveins: %lr8, %rm, %x3, %x4
%x4 = RLDICR killed %x4, 16, 47
%x3 = OR8 killed %x4, killed %x3
BLR8 implicit %lr8, implicit %rm, implicit %x3
bb.3.if.end15:
successors: %bb.6.while.cond.preheader(0x40000000), %bb.4.while.cond30.preheader(0x40000000)
liveins: %x3, %x4, %x5, %x6, %x29, %x30
BC undef %cr5lt, %bb.6.while.cond.preheader
bb.4.while.cond30.preheader:
successors: %bb.7.while.body33.preheader(0x40000000), %bb.5(0x40000000)
liveins: %x3, %x4, %x5, %x6, %x29, %x30
BCn undef %cr5lt, %bb.7.while.body33.preheader
bb.5:
successors: %bb.12.while.body109.preheader(0x80000000)
liveins: %x4, %x29, %x30
%x7 = OR8 %x4, killed %x4
B %bb.12.while.body109.preheader
bb.6.while.cond.preheader:
successors: %bb.2.if.then(0x80000000)
liveins: %x3, %x6, %x29, %x30
%x4 = LIS8 15
%x4 = ORI8 killed %x4, 225
%x4 = RLDICR killed %x4, 32, 31
%x4 = ORIS8 killed %x4, 3375
%x4 = ORI8 killed %x4, 50637
%x4 = MULHDU %x6, killed %x4
%x5 = SUBF8 %x4, %x6
%x5 = RLDICL killed %x5, 63, 1
%x4 = ADD8 killed %x5, killed %x4
%x5 = LI8 0
%x4 = RLDICL killed %x4, 49, 15
%x5 = ORI8 killed %x5, 65521
%x4 = MULLD killed %x4, killed %x5
%x4 = SUBF8 killed %x4, killed %x6
B %bb.2.if.then
bb.7.while.body33.preheader:
successors: %bb.8.while.body33(0x80000000)
liveins: %x3, %x4, %x5, %x6, %x29, %x30
STD killed %x29, -24, %x1 :: (store 8 into %fixed-stack.1)
STD killed %x30, -16, %x1 :: (store 8 into %fixed-stack.0, align 16)
%x7 = LIS8 15
%x7 = ORI8 killed %x7, 225
%x7 = RLDICR killed %x7, 32, 31
%x8 = LI8 0
%x7 = ORIS8 killed %x7, 3375
%x9 = LI8 347
%x10 = ORI8 killed %x7, 50637
%x11 = ORI8 %x8, 65521
%x7 = OR8 %x4, %x4
bb.8.while.body33:
successors: %bb.9.do.body(0x80000000)
liveins: %x3, %x4, %x5, %x6, %x7, %x8, %x9, %x10, %x11
%x12 = MULLI8 %x8, 5552
%x12 = ADD8 %x4, killed %x12
%x12 = ADDI8 killed %x12, -13
%x5 = ADDI8 killed %x5, -5552
MTCTR8loop %x9, implicit-def dead %ctr8
bb.9.do.body:
successors: %bb.9.do.body(0x7c000000), %bb.10.do.end(0x04000000)
liveins: %x3, %x4, %x5, %x6, %x7, %x8, %x9, %x10, %x11, %x12
%x0, %x12 = LBZU8 16, killed %x12 :: (load 1 from %ir.tmp15.inc, !tbaa !1)
%x6 = ADD8 %x3, killed %x6
%x6 = ADD8 killed %x6, %x3
%x6 = ADD8 killed %x6, %x3
%x3 = ADD8 killed %x3, killed %x0
%x6 = ADD8 killed %x6, %x3
%x6 = ADD8 killed %x6, %x3
%x6 = ADD8 killed %x6, %x3
%x6 = ADD8 killed %x6, %x3
%x6 = ADD8 killed %x6, %x3
%x6 = ADD8 killed %x6, %x3
%x6 = ADD8 killed %x6, %x3
%x6 = ADD8 killed %x6, %x3
%x6 = ADD8 killed %x6, %x3
%x6 = ADD8 killed %x6, %x3
%x6 = ADD8 killed %x6, %x3
%x6 = ADD8 killed %x6, %x3
%x6 = ADD8 killed %x6, %x3
BDNZ8 %bb.9.do.body, implicit-def %ctr8, implicit %ctr8
bb.10.do.end:
successors: %bb.8.while.body33(0x7c000000), %bb.11.while.end103(0x04000000)
liveins: %x3, %x4, %x5, %x6, %x7, %x8, %x9, %x10, %x11
%x12 = MULHDU %x3, %x10
%x0 = MULHDU %x6, %x10
%x30 = SUBF8 %x12, %x3
%x29 = SUBF8 %x0, %x6
%x30 = RLDICL killed %x30, 63, 1
%x29 = RLDICL killed %x29, 63, 1
%x12 = ADD8 killed %x30, killed %x12
%x0 = ADD8 killed %x29, killed %x0
%cr0 = CMPLDI %x5, 5551
%x12 = RLDICL killed %x12, 49, 15
%x0 = RLDICL killed %x0, 49, 15
%x12 = MULLD killed %x12, %x11
%x0 = MULLD killed %x0, %x11
%x7 = ADDI8 killed %x7, 5552
%x3 = SUBF8 killed %x12, killed %x3
%x6 = SUBF8 killed %x0, killed %x6
%x8 = ADDI8 killed %x8, 1
BCC 44, killed %cr0, %bb.8.while.body33
bb.11.while.end103:
successors: %bb.14.if.end188(0x40000000), %bb.12.while.body109.preheader(0x40000000)
liveins: %x3, %x6, %x7
%x30 = LD -16, %x1 :: (load 8 from %fixed-stack.0, align 16)
%x29 = LD -24, %x1 :: (load 8 from %fixed-stack.1)
BC undef %cr5lt, %bb.14.if.end188
bb.12.while.body109.preheader:
successors: %bb.13.while.body109(0x80000000)
liveins: %x7, %x29, %x30
%x3 = LBZ8 10, killed %x7 :: (load 1 from %ir.arrayidx151, !tbaa !1)
%x4 = IMPLICIT_DEF
bb.13.while.body109:
successors: %bb.13.while.body109(0x80000000)
liveins: %x3, %x4, %x29, %x30
%x4 = ADD8 killed %x4, %x3
B %bb.13.while.body109
bb.14.if.end188:
liveins: %x3, %x6, %x29, %x30
%x4 = RLDICR killed %x6, 16, 47
%x3 = OR8 killed %x4, killed %x3
BLR8 implicit %lr8, implicit %rm, implicit %x3
...
|
