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clang-p2996/llvm/test/Transforms/SLPVectorizer/AArch64/gather-root.ll
Alexey Bataev f4fb854811 [SLP]Do not consider deleted instruction as external users. 
If the instruction was previously deleted, it should not be treated as
an external user. This fixes cost estimation and removes dead
extractelement instructions.

Differential Revision: https://reviews.llvm.org/D107106
2021-07-30 05:37:43 -07:00

207 lines
12 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -slp-vectorizer -S | FileCheck %s --check-prefix=DEFAULT
; RUN: opt < %s -slp-schedule-budget=0 -slp-min-tree-size=0 -slp-threshold=-30 -slp-vectorizer -S | FileCheck %s --check-prefix=GATHER
; RUN: opt < %s -slp-schedule-budget=0 -slp-threshold=-30 -slp-vectorizer -S | FileCheck %s --check-prefix=MAX-COST
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64--linux-gnu"
@a = common global [80 x i8] zeroinitializer, align 16
define void @PR28330(i32 %n) {
; DEFAULT-LABEL: @PR28330(
; DEFAULT-NEXT: entry:
; DEFAULT-NEXT: [[TMP0:%.*]] = load <8 x i8>, <8 x i8>* bitcast (i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 1) to <8 x i8>*), align 1
; DEFAULT-NEXT: [[TMP1:%.*]] = icmp eq <8 x i8> [[TMP0]], zeroinitializer
; DEFAULT-NEXT: br label [[FOR_BODY:%.*]]
; DEFAULT: for.body:
; DEFAULT-NEXT: [[P17:%.*]] = phi i32 [ [[OP_EXTRA:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
; DEFAULT-NEXT: [[TMP2:%.*]] = select <8 x i1> [[TMP1]], <8 x i32> <i32 -720, i32 -720, i32 -720, i32 -720, i32 -720, i32 -720, i32 -720, i32 -720>, <8 x i32> <i32 -80, i32 -80, i32 -80, i32 -80, i32 -80, i32 -80, i32 -80, i32 -80>
; DEFAULT-NEXT: [[TMP3:%.*]] = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> [[TMP2]])
; DEFAULT-NEXT: [[OP_EXTRA]] = add i32 [[TMP3]], [[P17]]
; DEFAULT-NEXT: br label [[FOR_BODY]]
;
; GATHER-LABEL: @PR28330(
; GATHER-NEXT: entry:
; GATHER-NEXT: [[TMP0:%.*]] = load <8 x i8>, <8 x i8>* bitcast (i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 1) to <8 x i8>*), align 1
; GATHER-NEXT: [[TMP1:%.*]] = icmp eq <8 x i8> [[TMP0]], zeroinitializer
; GATHER-NEXT: br label [[FOR_BODY:%.*]]
; GATHER: for.body:
; GATHER-NEXT: [[P17:%.*]] = phi i32 [ [[OP_EXTRA:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
; GATHER-NEXT: [[TMP2:%.*]] = select <8 x i1> [[TMP1]], <8 x i32> <i32 -720, i32 -720, i32 -720, i32 -720, i32 -720, i32 -720, i32 -720, i32 -720>, <8 x i32> <i32 -80, i32 -80, i32 -80, i32 -80, i32 -80, i32 -80, i32 -80, i32 -80>
; GATHER-NEXT: [[TMP3:%.*]] = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> [[TMP2]])
; GATHER-NEXT: [[OP_EXTRA]] = add i32 [[TMP3]], [[P17]]
; GATHER-NEXT: br label [[FOR_BODY]]
;
; MAX-COST-LABEL: @PR28330(
; MAX-COST-NEXT: entry:
; MAX-COST-NEXT: [[P0:%.*]] = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 1), align 1
; MAX-COST-NEXT: [[P1:%.*]] = icmp eq i8 [[P0]], 0
; MAX-COST-NEXT: [[P2:%.*]] = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 2), align 2
; MAX-COST-NEXT: [[P3:%.*]] = icmp eq i8 [[P2]], 0
; MAX-COST-NEXT: [[P4:%.*]] = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 3), align 1
; MAX-COST-NEXT: [[P5:%.*]] = icmp eq i8 [[P4]], 0
; MAX-COST-NEXT: [[P6:%.*]] = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 4), align 4
; MAX-COST-NEXT: [[P7:%.*]] = icmp eq i8 [[P6]], 0
; MAX-COST-NEXT: [[P8:%.*]] = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 5), align 1
; MAX-COST-NEXT: [[P9:%.*]] = icmp eq i8 [[P8]], 0
; MAX-COST-NEXT: [[P10:%.*]] = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 6), align 2
; MAX-COST-NEXT: [[P11:%.*]] = icmp eq i8 [[P10]], 0
; MAX-COST-NEXT: [[P12:%.*]] = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 7), align 1
; MAX-COST-NEXT: [[P13:%.*]] = icmp eq i8 [[P12]], 0
; MAX-COST-NEXT: [[P14:%.*]] = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 8), align 8
; MAX-COST-NEXT: [[P15:%.*]] = icmp eq i8 [[P14]], 0
; MAX-COST-NEXT: br label [[FOR_BODY:%.*]]
; MAX-COST: for.body:
; MAX-COST-NEXT: [[P17:%.*]] = phi i32 [ [[P34:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
; MAX-COST-NEXT: [[P19:%.*]] = select i1 [[P1]], i32 -720, i32 -80
; MAX-COST-NEXT: [[P20:%.*]] = add i32 [[P17]], [[P19]]
; MAX-COST-NEXT: [[P21:%.*]] = select i1 [[P3]], i32 -720, i32 -80
; MAX-COST-NEXT: [[P22:%.*]] = add i32 [[P20]], [[P21]]
; MAX-COST-NEXT: [[P23:%.*]] = select i1 [[P5]], i32 -720, i32 -80
; MAX-COST-NEXT: [[P24:%.*]] = add i32 [[P22]], [[P23]]
; MAX-COST-NEXT: [[P25:%.*]] = select i1 [[P7]], i32 -720, i32 -80
; MAX-COST-NEXT: [[P26:%.*]] = add i32 [[P24]], [[P25]]
; MAX-COST-NEXT: [[P27:%.*]] = select i1 [[P9]], i32 -720, i32 -80
; MAX-COST-NEXT: [[P28:%.*]] = add i32 [[P26]], [[P27]]
; MAX-COST-NEXT: [[P29:%.*]] = select i1 [[P11]], i32 -720, i32 -80
; MAX-COST-NEXT: [[P30:%.*]] = add i32 [[P28]], [[P29]]
; MAX-COST-NEXT: [[P31:%.*]] = select i1 [[P13]], i32 -720, i32 -80
; MAX-COST-NEXT: [[P32:%.*]] = add i32 [[P30]], [[P31]]
; MAX-COST-NEXT: [[P33:%.*]] = select i1 [[P15]], i32 -720, i32 -80
; MAX-COST-NEXT: [[P34]] = add i32 [[P32]], [[P33]]
; MAX-COST-NEXT: br label [[FOR_BODY]]
;
entry:
%p0 = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 1), align 1
%p1 = icmp eq i8 %p0, 0
%p2 = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 2), align 2
%p3 = icmp eq i8 %p2, 0
%p4 = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 3), align 1
%p5 = icmp eq i8 %p4, 0
%p6 = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 4), align 4
%p7 = icmp eq i8 %p6, 0
%p8 = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 5), align 1
%p9 = icmp eq i8 %p8, 0
%p10 = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 6), align 2
%p11 = icmp eq i8 %p10, 0
%p12 = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 7), align 1
%p13 = icmp eq i8 %p12, 0
%p14 = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 8), align 8
%p15 = icmp eq i8 %p14, 0
br label %for.body
for.body:
%p17 = phi i32 [ %p34, %for.body ], [ 0, %entry ]
%p19 = select i1 %p1, i32 -720, i32 -80
%p20 = add i32 %p17, %p19
%p21 = select i1 %p3, i32 -720, i32 -80
%p22 = add i32 %p20, %p21
%p23 = select i1 %p5, i32 -720, i32 -80
%p24 = add i32 %p22, %p23
%p25 = select i1 %p7, i32 -720, i32 -80
%p26 = add i32 %p24, %p25
%p27 = select i1 %p9, i32 -720, i32 -80
%p28 = add i32 %p26, %p27
%p29 = select i1 %p11, i32 -720, i32 -80
%p30 = add i32 %p28, %p29
%p31 = select i1 %p13, i32 -720, i32 -80
%p32 = add i32 %p30, %p31
%p33 = select i1 %p15, i32 -720, i32 -80
%p34 = add i32 %p32, %p33
br label %for.body
}
define void @PR32038(i32 %n) {
; DEFAULT-LABEL: @PR32038(
; DEFAULT-NEXT: entry:
; DEFAULT-NEXT: [[TMP0:%.*]] = load <8 x i8>, <8 x i8>* bitcast (i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 1) to <8 x i8>*), align 1
; DEFAULT-NEXT: [[TMP1:%.*]] = icmp eq <8 x i8> [[TMP0]], zeroinitializer
; DEFAULT-NEXT: br label [[FOR_BODY:%.*]]
; DEFAULT: for.body:
; DEFAULT-NEXT: [[P17:%.*]] = phi i32 [ [[OP_EXTRA:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
; DEFAULT-NEXT: [[TMP2:%.*]] = select <8 x i1> [[TMP1]], <8 x i32> <i32 -720, i32 -720, i32 -720, i32 -720, i32 -720, i32 -720, i32 -720, i32 -720>, <8 x i32> <i32 -80, i32 -80, i32 -80, i32 -80, i32 -80, i32 -80, i32 -80, i32 -80>
; DEFAULT-NEXT: [[TMP3:%.*]] = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> [[TMP2]])
; DEFAULT-NEXT: [[OP_EXTRA]] = add i32 [[TMP3]], -5
; DEFAULT-NEXT: br label [[FOR_BODY]]
;
; GATHER-LABEL: @PR32038(
; GATHER-NEXT: entry:
; GATHER-NEXT: [[TMP0:%.*]] = load <8 x i8>, <8 x i8>* bitcast (i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 1) to <8 x i8>*), align 1
; GATHER-NEXT: [[TMP1:%.*]] = icmp eq <8 x i8> [[TMP0]], zeroinitializer
; GATHER-NEXT: br label [[FOR_BODY:%.*]]
; GATHER: for.body:
; GATHER-NEXT: [[P17:%.*]] = phi i32 [ [[OP_EXTRA:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
; GATHER-NEXT: [[TMP2:%.*]] = select <8 x i1> [[TMP1]], <8 x i32> <i32 -720, i32 -720, i32 -720, i32 -720, i32 -720, i32 -720, i32 -720, i32 -720>, <8 x i32> <i32 -80, i32 -80, i32 -80, i32 -80, i32 -80, i32 -80, i32 -80, i32 -80>
; GATHER-NEXT: [[TMP3:%.*]] = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> [[TMP2]])
; GATHER-NEXT: [[OP_EXTRA]] = add i32 [[TMP3]], -5
; GATHER-NEXT: br label [[FOR_BODY]]
;
; MAX-COST-LABEL: @PR32038(
; MAX-COST-NEXT: entry:
; MAX-COST-NEXT: [[TMP0:%.*]] = load <4 x i8>, <4 x i8>* bitcast (i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 1) to <4 x i8>*), align 1
; MAX-COST-NEXT: [[TMP1:%.*]] = icmp eq <4 x i8> [[TMP0]], zeroinitializer
; MAX-COST-NEXT: [[P8:%.*]] = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 5), align 1
; MAX-COST-NEXT: [[P9:%.*]] = icmp eq i8 [[P8]], 0
; MAX-COST-NEXT: [[P10:%.*]] = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 6), align 2
; MAX-COST-NEXT: [[P11:%.*]] = icmp eq i8 [[P10]], 0
; MAX-COST-NEXT: [[P12:%.*]] = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 7), align 1
; MAX-COST-NEXT: [[P13:%.*]] = icmp eq i8 [[P12]], 0
; MAX-COST-NEXT: [[P14:%.*]] = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 8), align 8
; MAX-COST-NEXT: [[P15:%.*]] = icmp eq i8 [[P14]], 0
; MAX-COST-NEXT: br label [[FOR_BODY:%.*]]
; MAX-COST: for.body:
; MAX-COST-NEXT: [[P17:%.*]] = phi i32 [ [[P34:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
; MAX-COST-NEXT: [[TMP2:%.*]] = select <4 x i1> [[TMP1]], <4 x i32> <i32 -720, i32 -720, i32 -720, i32 -720>, <4 x i32> <i32 -80, i32 -80, i32 -80, i32 -80>
; MAX-COST-NEXT: [[P27:%.*]] = select i1 [[P9]], i32 -720, i32 -80
; MAX-COST-NEXT: [[P29:%.*]] = select i1 [[P11]], i32 -720, i32 -80
; MAX-COST-NEXT: [[TMP3:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP2]])
; MAX-COST-NEXT: [[TMP4:%.*]] = add i32 [[TMP3]], [[P27]]
; MAX-COST-NEXT: [[TMP5:%.*]] = add i32 [[TMP4]], [[P29]]
; MAX-COST-NEXT: [[OP_EXTRA:%.*]] = add i32 [[TMP5]], -5
; MAX-COST-NEXT: [[P31:%.*]] = select i1 [[P13]], i32 -720, i32 -80
; MAX-COST-NEXT: [[P32:%.*]] = add i32 [[OP_EXTRA]], [[P31]]
; MAX-COST-NEXT: [[P33:%.*]] = select i1 [[P15]], i32 -720, i32 -80
; MAX-COST-NEXT: [[P34]] = add i32 [[P32]], [[P33]]
; MAX-COST-NEXT: br label [[FOR_BODY]]
;
entry:
%p0 = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 1), align 1
%p1 = icmp eq i8 %p0, 0
%p2 = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 2), align 2
%p3 = icmp eq i8 %p2, 0
%p4 = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 3), align 1
%p5 = icmp eq i8 %p4, 0
%p6 = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 4), align 4
%p7 = icmp eq i8 %p6, 0
%p8 = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 5), align 1
%p9 = icmp eq i8 %p8, 0
%p10 = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 6), align 2
%p11 = icmp eq i8 %p10, 0
%p12 = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 7), align 1
%p13 = icmp eq i8 %p12, 0
%p14 = load i8, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @a, i64 0, i64 8), align 8
%p15 = icmp eq i8 %p14, 0
br label %for.body
for.body:
%p17 = phi i32 [ %p34, %for.body ], [ 0, %entry ]
%p19 = select i1 %p1, i32 -720, i32 -80
%p20 = add i32 -5, %p19
%p21 = select i1 %p3, i32 -720, i32 -80
%p22 = add i32 %p20, %p21
%p23 = select i1 %p5, i32 -720, i32 -80
%p24 = add i32 %p22, %p23
%p25 = select i1 %p7, i32 -720, i32 -80
%p26 = add i32 %p24, %p25
%p27 = select i1 %p9, i32 -720, i32 -80
%p28 = add i32 %p26, %p27
%p29 = select i1 %p11, i32 -720, i32 -80
%p30 = add i32 %p28, %p29
%p31 = select i1 %p13, i32 -720, i32 -80
%p32 = add i32 %p30, %p31
%p33 = select i1 %p15, i32 -720, i32 -80
%p34 = add i32 %p32, %p33
br label %for.body
}
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