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clang-p2996/llvm/test/Transforms/SLPVectorizer/X86/PR39774.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

154 lines
9.0 KiB
LLVM
Raw Blame History

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -slp-vectorizer -S < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=skylake -slp-threshold=-7 | FileCheck %s --check-prefix=CHECK
; RUN: opt -slp-vectorizer -S < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=skylake -slp-threshold=-8 -slp-min-tree-size=6 | FileCheck %s --check-prefix=FORCE_REDUCTION
define void @Test(i32) {
; CHECK-LABEL: @Test(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[TMP1:%.*]] = phi <2 x i32> [ [[TMP10:%.*]], [[LOOP]] ], [ zeroinitializer, [[ENTRY:%.*]] ]
; CHECK-NEXT: [[SHUFFLE:%.*]] = shufflevector <2 x i32> [[TMP1]], <2 x i32> poison, <8 x i32> <i32 0, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
; CHECK-NEXT: [[TMP2:%.*]] = extractelement <8 x i32> [[SHUFFLE]], i32 1
; CHECK-NEXT: [[TMP3:%.*]] = add <8 x i32> [[SHUFFLE]], <i32 0, i32 55, i32 285, i32 1240, i32 1496, i32 8555, i32 12529, i32 13685>
; CHECK-NEXT: [[TMP4:%.*]] = call i32 @llvm.vector.reduce.and.v8i32(<8 x i32> [[TMP3]])
; CHECK-NEXT: [[OP_EXTRA:%.*]] = and i32 [[TMP4]], [[TMP0:%.*]]
; CHECK-NEXT: [[OP_EXTRA1:%.*]] = and i32 [[OP_EXTRA]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA2:%.*]] = and i32 [[OP_EXTRA1]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA3:%.*]] = and i32 [[OP_EXTRA2]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA4:%.*]] = and i32 [[OP_EXTRA3]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA5:%.*]] = and i32 [[OP_EXTRA4]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA6:%.*]] = and i32 [[OP_EXTRA5]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA7:%.*]] = and i32 [[OP_EXTRA6]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA8:%.*]] = and i32 [[OP_EXTRA7]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA9:%.*]] = and i32 [[OP_EXTRA8]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA10:%.*]] = and i32 [[OP_EXTRA9]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA11:%.*]] = and i32 [[OP_EXTRA10]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA12:%.*]] = and i32 [[OP_EXTRA11]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA13:%.*]] = and i32 [[OP_EXTRA12]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA14:%.*]] = and i32 [[OP_EXTRA13]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA15:%.*]] = and i32 [[OP_EXTRA14]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA16:%.*]] = and i32 [[OP_EXTRA15]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA17:%.*]] = and i32 [[OP_EXTRA16]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA18:%.*]] = and i32 [[OP_EXTRA17]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA19:%.*]] = and i32 [[OP_EXTRA18]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA20:%.*]] = and i32 [[OP_EXTRA19]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA21:%.*]] = and i32 [[OP_EXTRA20]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA22:%.*]] = and i32 [[OP_EXTRA21]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA23:%.*]] = and i32 [[OP_EXTRA22]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA24:%.*]] = and i32 [[OP_EXTRA23]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA25:%.*]] = and i32 [[OP_EXTRA24]], [[TMP0]]
; CHECK-NEXT: [[OP_EXTRA26:%.*]] = and i32 [[OP_EXTRA25]], [[TMP0]]
; CHECK-NEXT: [[TMP5:%.*]] = insertelement <2 x i32> <i32 poison, i32 14910>, i32 [[OP_EXTRA26]], i32 0
; CHECK-NEXT: [[TMP6:%.*]] = insertelement <2 x i32> poison, i32 [[TMP2]], i32 0
; CHECK-NEXT: [[TMP7:%.*]] = insertelement <2 x i32> [[TMP6]], i32 [[TMP2]], i32 1
; CHECK-NEXT: [[TMP8:%.*]] = and <2 x i32> [[TMP5]], [[TMP7]]
; CHECK-NEXT: [[TMP9:%.*]] = add <2 x i32> [[TMP5]], [[TMP7]]
; CHECK-NEXT: [[TMP10]] = shufflevector <2 x i32> [[TMP8]], <2 x i32> [[TMP9]], <2 x i32> <i32 0, i32 3>
; CHECK-NEXT: br label [[LOOP]]
;
; FORCE_REDUCTION-LABEL: @Test(
; FORCE_REDUCTION-NEXT: entry:
; FORCE_REDUCTION-NEXT: br label [[LOOP:%.*]]
; FORCE_REDUCTION: loop:
; FORCE_REDUCTION-NEXT: [[TMP1:%.*]] = phi <2 x i32> [ [[TMP12:%.*]], [[LOOP]] ], [ zeroinitializer, [[ENTRY:%.*]] ]
; FORCE_REDUCTION-NEXT: [[SHUFFLE:%.*]] = shufflevector <2 x i32> [[TMP1]], <2 x i32> poison, <4 x i32> <i32 0, i32 1, i32 1, i32 1>
; FORCE_REDUCTION-NEXT: [[TMP2:%.*]] = extractelement <4 x i32> [[SHUFFLE]], i32 1
; FORCE_REDUCTION-NEXT: [[TMP3:%.*]] = add <4 x i32> [[SHUFFLE]], <i32 0, i32 55, i32 285, i32 1240>
; FORCE_REDUCTION-NEXT: [[VAL_20:%.*]] = add i32 [[TMP2]], 1496
; FORCE_REDUCTION-NEXT: [[VAL_34:%.*]] = add i32 [[TMP2]], 8555
; FORCE_REDUCTION-NEXT: [[TMP4:%.*]] = call i32 @llvm.vector.reduce.and.v4i32(<4 x i32> [[TMP3]])
; FORCE_REDUCTION-NEXT: [[TMP5:%.*]] = and i32 [[TMP4]], [[VAL_20]]
; FORCE_REDUCTION-NEXT: [[TMP6:%.*]] = and i32 [[TMP5]], [[VAL_34]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA:%.*]] = and i32 [[TMP6]], [[TMP0:%.*]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA1:%.*]] = and i32 [[OP_EXTRA]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA2:%.*]] = and i32 [[OP_EXTRA1]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA3:%.*]] = and i32 [[OP_EXTRA2]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA4:%.*]] = and i32 [[OP_EXTRA3]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA5:%.*]] = and i32 [[OP_EXTRA4]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA6:%.*]] = and i32 [[OP_EXTRA5]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA7:%.*]] = and i32 [[OP_EXTRA6]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA8:%.*]] = and i32 [[OP_EXTRA7]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA9:%.*]] = and i32 [[OP_EXTRA8]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA10:%.*]] = and i32 [[OP_EXTRA9]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA11:%.*]] = and i32 [[OP_EXTRA10]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA12:%.*]] = and i32 [[OP_EXTRA11]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA13:%.*]] = and i32 [[OP_EXTRA12]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA14:%.*]] = and i32 [[OP_EXTRA13]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA15:%.*]] = and i32 [[OP_EXTRA14]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA16:%.*]] = and i32 [[OP_EXTRA15]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA17:%.*]] = and i32 [[OP_EXTRA16]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA18:%.*]] = and i32 [[OP_EXTRA17]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA19:%.*]] = and i32 [[OP_EXTRA18]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA20:%.*]] = and i32 [[OP_EXTRA19]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA21:%.*]] = and i32 [[OP_EXTRA20]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA22:%.*]] = and i32 [[OP_EXTRA21]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA23:%.*]] = and i32 [[OP_EXTRA22]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA24:%.*]] = and i32 [[OP_EXTRA23]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA25:%.*]] = and i32 [[OP_EXTRA24]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA26:%.*]] = and i32 [[OP_EXTRA25]], [[TMP0]]
; FORCE_REDUCTION-NEXT: [[OP_EXTRA27:%.*]] = and i32 [[OP_EXTRA26]], [[TMP2]]
; FORCE_REDUCTION-NEXT: [[VAL_39:%.*]] = add i32 [[TMP2]], 12529
; FORCE_REDUCTION-NEXT: [[VAL_40:%.*]] = and i32 [[OP_EXTRA27]], [[VAL_39]]
; FORCE_REDUCTION-NEXT: [[VAL_41:%.*]] = add i32 [[TMP2]], 13685
; FORCE_REDUCTION-NEXT: [[TMP7:%.*]] = insertelement <2 x i32> poison, i32 [[VAL_40]], i32 0
; FORCE_REDUCTION-NEXT: [[TMP8:%.*]] = insertelement <2 x i32> [[TMP7]], i32 [[TMP2]], i32 1
; FORCE_REDUCTION-NEXT: [[TMP9:%.*]] = insertelement <2 x i32> <i32 poison, i32 14910>, i32 [[VAL_41]], i32 0
; FORCE_REDUCTION-NEXT: [[TMP10:%.*]] = and <2 x i32> [[TMP8]], [[TMP9]]
; FORCE_REDUCTION-NEXT: [[TMP11:%.*]] = add <2 x i32> [[TMP8]], [[TMP9]]
; FORCE_REDUCTION-NEXT: [[TMP12]] = shufflevector <2 x i32> [[TMP10]], <2 x i32> [[TMP11]], <2 x i32> <i32 0, i32 3>
; FORCE_REDUCTION-NEXT: br label [[LOOP]]
;
entry:
br label %loop
loop:
%local_4_39.us = phi i32 [ %val_42, %loop ], [ 0, %entry ]
%local_8_43.us = phi i32 [ %val_43, %loop ], [ 0, %entry ]
%val_0 = add i32 %local_4_39.us, 0
%val_1 = and i32 %local_8_43.us, %val_0
%val_2 = and i32 %val_1, %0
%val_3 = and i32 %val_2, %0
%val_4 = and i32 %val_3, %0
%val_5 = and i32 %val_4, %0
%val_6 = add i32 %local_8_43.us, 55
%val_7 = and i32 %val_5, %val_6
%val_8 = and i32 %val_7, %0
%val_9 = and i32 %val_8, %0
%val_10 = and i32 %val_9, %0
%val_11 = add i32 %local_8_43.us, 285
%val_12 = and i32 %val_10, %val_11
%val_13 = and i32 %val_12, %0
%val_14 = and i32 %val_13, %0
%val_15 = and i32 %val_14, %0
%val_16 = and i32 %val_15, %0
%val_17 = and i32 %val_16, %0
%val_18 = add i32 %local_8_43.us, 1240
%val_19 = and i32 %val_17, %val_18
%val_20 = add i32 %local_8_43.us, 1496
%val_21 = and i32 %val_19, %val_20
%val_22 = and i32 %val_21, %0
%val_23 = and i32 %val_22, %0
%val_24 = and i32 %val_23, %0
%val_25 = and i32 %val_24, %0
%val_26 = and i32 %val_25, %0
%val_27 = and i32 %val_26, %0
%val_28 = and i32 %val_27, %0
%val_29 = and i32 %val_28, %0
%val_30 = and i32 %val_29, %0
%val_31 = and i32 %val_30, %0
%val_32 = and i32 %val_31, %0
%val_33 = and i32 %val_32, %0
%val_34 = add i32 %local_8_43.us, 8555
%val_35 = and i32 %val_33, %val_34
%val_36 = and i32 %val_35, %0
%val_37 = and i32 %val_36, %0
%val_38 = and i32 %val_37, %0
%val_39 = add i32 %local_8_43.us, 12529
%val_40 = and i32 %val_38, %val_39
%val_41 = add i32 %local_8_43.us, 13685
%val_42 = and i32 %val_40, %val_41
%val_43 = add i32 %local_8_43.us, 14910
br label %loop
}
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