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[SLP]Add debug counter support #110734

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Oct 1, 2024
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[SLP]Add debug counter support #110734

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7 changes: 7 additions & 0 deletions llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,7 @@
#include "llvm/Support/Compiler.h"
#include "llvm/Support/DOTGraphTraits.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/DebugCounter.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/GraphWriter.h"
#include "llvm/Support/InstructionCost.h"
Expand Down Expand Up @@ -109,6 +110,9 @@ using namespace slpvectorizer;

STATISTIC(NumVectorInstructions, "Number of vector instructions generated");

DEBUG_COUNTER(VectorizedGraphs, "slp-vectorized",
"Controls which SLP graphs should be vectorized.");

static cl::opt<bool>
RunSLPVectorization("vectorize-slp", cl::init(true), cl::Hidden,
cl::desc("Run the SLP vectorization passes"));
Expand Down Expand Up @@ -11175,6 +11179,9 @@ bool BoUpSLP::isLoadCombineCandidate(ArrayRef<Value *> Stores) const {
}

bool BoUpSLP::isTreeTinyAndNotFullyVectorizable(bool ForReduction) const {
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I think ideally we'd only increment the counter and force return true in the cases where this function would return false, but ultimately it doesn't matter too much, it just makes the counter ranges larger

if (!DebugCounter::shouldExecute(VectorizedGraphs))
return true;

// No need to vectorize inserts of gathered values.
if (VectorizableTree.size() == 2 &&
isa<InsertElementInst>(VectorizableTree[0]->Scalars[0]) &&
Expand Down
235 changes: 235 additions & 0 deletions llvm/test/Transforms/SLPVectorizer/debug-counter.ll
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Original file line number Diff line number Diff line change
@@ -0,0 +1,235 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
; RUN: opt -S -passes=slp-vectorizer -debug-counter=slp-vectorized=0 -slp-threshold=-99999 < %s | FileCheck %s --check-prefix=COUNT0
; RUN: opt -S -passes=slp-vectorizer -debug-counter=slp-vectorized=1 -slp-threshold=-99999 < %s | FileCheck %s --check-prefix=COUNT1
; RUN: opt -S -passes=slp-vectorizer -debug-counter=slp-vectorized=2 -slp-threshold=-99999 < %s | FileCheck %s --check-prefix=COUNT2
; RUN: opt -S -passes=slp-vectorizer -debug-counter=slp-vectorized=0-1 -slp-threshold=-99999 < %s | FileCheck %s --check-prefix=COUNT-1

define void @blam(ptr %arg, double %load2, i1 %fcmp3) {
; CHECK-LABEL: define void @blam
; CHECK-SAME: (ptr [[ARG:%.*]], double [[LOAD2:%.*]], i1 [[FCMP3:%.*]]) {
; CHECK-NEXT: bb:
; CHECK-NEXT: [[GETELEMENTPTR13:%.*]] = getelementptr double, ptr [[ARG]], i64 3
; CHECK-NEXT: [[TMP0:%.*]] = load <2 x double>, ptr [[ARG]], align 8
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x i1> poison, i1 [[FCMP3]], i32 0
; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <2 x i1> [[TMP1]], <2 x i1> poison, <2 x i32> zeroinitializer
; CHECK-NEXT: [[TMP3:%.*]] = select <2 x i1> [[TMP2]], <2 x double> zeroinitializer, <2 x double> [[TMP0]]
; CHECK-NEXT: [[TMP4:%.*]] = insertelement <2 x double> [[TMP0]], double [[LOAD2]], i32 0
; CHECK-NEXT: [[TMP5:%.*]] = fcmp olt <2 x double> [[TMP4]], zeroinitializer
; CHECK-NEXT: [[TMP6:%.*]] = select <2 x i1> [[TMP5]], <2 x double> zeroinitializer, <2 x double> [[TMP0]]
; CHECK-NEXT: [[TMP7:%.*]] = fcmp olt <2 x double> [[TMP3]], zeroinitializer
; CHECK-NEXT: [[TMP8:%.*]] = select <2 x i1> [[TMP7]], <2 x double> <double 0.000000e+00, double 1.000000e+00>, <2 x double> <double 1.000000e+00, double 0.000000e+00>
; CHECK-NEXT: [[TMP9:%.*]] = shufflevector <2 x double> [[TMP8]], <2 x double> poison, <2 x i32> <i32 1, i32 0>
; CHECK-NEXT: [[TMP10:%.*]] = fcmp olt <2 x double> [[TMP9]], [[TMP6]]
; CHECK-NEXT: [[TMP11:%.*]] = shufflevector <2 x double> [[TMP4]], <2 x double> <double poison, double 0.000000e+00>, <2 x i32> <i32 0, i32 3>
; CHECK-NEXT: [[TMP12:%.*]] = shufflevector <2 x double> [[TMP4]], <2 x double> <double 0.000000e+00, double poison>, <2 x i32> <i32 2, i32 0>
; CHECK-NEXT: [[TMP13:%.*]] = select <2 x i1> [[TMP10]], <2 x double> [[TMP11]], <2 x double> [[TMP12]]
; CHECK-NEXT: [[TMP14:%.*]] = fcmp olt <2 x double> [[TMP13]], zeroinitializer
; CHECK-NEXT: [[TMP15:%.*]] = select <2 x i1> [[TMP14]], <2 x double> zeroinitializer, <2 x double> <double 1.000000e+00, double 1.000000e+00>
; CHECK-NEXT: [[TMP16:%.*]] = fcmp ogt <2 x double> [[TMP15]], zeroinitializer
; CHECK-NEXT: [[TMP17:%.*]] = shufflevector <2 x double> [[TMP4]], <2 x double> poison, <2 x i32> zeroinitializer
; CHECK-NEXT: [[TMP18:%.*]] = select <2 x i1> [[TMP16]], <2 x double> zeroinitializer, <2 x double> [[TMP17]]
; CHECK-NEXT: [[TMP19:%.*]] = fcmp olt <2 x double> [[TMP18]], zeroinitializer
; CHECK-NEXT: [[TMP20:%.*]] = select <2 x i1> [[TMP19]], <2 x double> <double 1.000000e+00, double 1.000000e+00>, <2 x double> zeroinitializer
; CHECK-NEXT: store <2 x double> [[TMP20]], ptr [[GETELEMENTPTR13]], align 8
; CHECK-NEXT: ret void
;
; COUNT0-LABEL: define void @blam
; COUNT0-SAME: (ptr [[ARG:%.*]], double [[LOAD2:%.*]], i1 [[FCMP3:%.*]]) {
; COUNT0-NEXT: bb:
; COUNT0-NEXT: [[GETELEMENTPTR:%.*]] = getelementptr double, ptr [[ARG]], i64 1
; COUNT0-NEXT: [[LOAD:%.*]] = load double, ptr [[GETELEMENTPTR]], align 8
; COUNT0-NEXT: [[FCMP:%.*]] = fcmp olt double [[LOAD]], 0.000000e+00
; COUNT0-NEXT: [[SELECT3:%.*]] = select i1 [[FCMP]], double 0.000000e+00, double [[LOAD]]
; COUNT0-NEXT: [[SELECT4:%.*]] = select i1 [[FCMP3]], double 0.000000e+00, double [[LOAD]]
; COUNT0-NEXT: [[LOAD7:%.*]] = load double, ptr [[ARG]], align 8
; COUNT0-NEXT: [[SELECT10:%.*]] = select i1 [[FCMP3]], double 0.000000e+00, double [[LOAD7]]
; COUNT0-NEXT: [[GETELEMENTPTR13:%.*]] = getelementptr double, ptr [[ARG]], i64 3
; COUNT0-NEXT: [[GETELEMENTPTR21:%.*]] = getelementptr double, ptr [[ARG]], i64 4
; COUNT0-NEXT: [[FCMP23:%.*]] = fcmp olt double [[SELECT10]], 0.000000e+00
; COUNT0-NEXT: [[SELECT24:%.*]] = select i1 [[FCMP23]], double 0.000000e+00, double 1.000000e+00
; COUNT0-NEXT: [[TMP0:%.*]] = insertelement <2 x double> poison, double [[LOAD2]], i32 1
; COUNT0-NEXT: [[TMP1:%.*]] = insertelement <2 x double> [[TMP0]], double [[SELECT4]], i32 0
; COUNT0-NEXT: [[TMP2:%.*]] = fcmp olt <2 x double> [[TMP1]], zeroinitializer
; COUNT0-NEXT: [[TMP3:%.*]] = insertelement <2 x double> <double 0.000000e+00, double poison>, double [[LOAD7]], i32 1
; COUNT0-NEXT: [[TMP4:%.*]] = select <2 x i1> [[TMP2]], <2 x double> <double 1.000000e+00, double 0.000000e+00>, <2 x double> [[TMP3]]
; COUNT0-NEXT: [[FCMP33:%.*]] = fcmp olt double [[SELECT24]], [[SELECT3]]
; COUNT0-NEXT: [[SELECT34:%.*]] = select i1 [[FCMP33]], double 0.000000e+00, double [[LOAD2]]
; COUNT0-NEXT: [[TMP5:%.*]] = extractelement <2 x double> [[TMP4]], i32 0
; COUNT0-NEXT: [[TMP6:%.*]] = extractelement <2 x double> [[TMP4]], i32 1
; COUNT0-NEXT: [[FCMP39:%.*]] = fcmp olt double [[TMP5]], [[TMP6]]
; COUNT0-NEXT: [[SELECT40:%.*]] = select i1 [[FCMP39]], double [[LOAD2]], double 0.000000e+00
; COUNT0-NEXT: [[FCMP62:%.*]] = fcmp olt double [[SELECT34]], 0.000000e+00
; COUNT0-NEXT: [[SELECT639:%.*]] = select i1 [[FCMP62]], double 0.000000e+00, double 1.000000e+00
; COUNT0-NEXT: [[FCMP76:%.*]] = fcmp olt double [[SELECT40]], 0.000000e+00
; COUNT0-NEXT: [[SELECT77:%.*]] = select i1 [[FCMP76]], double 0.000000e+00, double 1.000000e+00
; COUNT0-NEXT: [[FCMP90:%.*]] = fcmp ogt double [[SELECT639]], 0.000000e+00
; COUNT0-NEXT: [[SELECT91:%.*]] = select i1 [[FCMP90]], double 0.000000e+00, double [[LOAD2]]
; COUNT0-NEXT: [[FCMP92:%.*]] = fcmp ogt double [[SELECT77]], 0.000000e+00
; COUNT0-NEXT: [[SELECT93:%.*]] = select i1 [[FCMP92]], double 0.000000e+00, double [[LOAD2]]
; COUNT0-NEXT: [[FCMP108:%.*]] = fcmp olt double [[SELECT93]], 0.000000e+00
; COUNT0-NEXT: [[SELECT109:%.*]] = select i1 [[FCMP108]], double 1.000000e+00, double 0.000000e+00
; COUNT0-NEXT: [[FCMP110:%.*]] = fcmp olt double [[SELECT91]], 0.000000e+00
; COUNT0-NEXT: [[SELECT111:%.*]] = select i1 [[FCMP110]], double 1.000000e+00, double 0.000000e+00
; COUNT0-NEXT: store double [[SELECT111]], ptr [[GETELEMENTPTR21]], align 8
; COUNT0-NEXT: store double [[SELECT109]], ptr [[GETELEMENTPTR13]], align 8
; COUNT0-NEXT: ret void
;
; COUNT1-LABEL: define void @blam
; COUNT1-SAME: (ptr [[ARG:%.*]], double [[LOAD2:%.*]], i1 [[FCMP3:%.*]]) {
; COUNT1-NEXT: bb:
; COUNT1-NEXT: [[GETELEMENTPTR:%.*]] = getelementptr double, ptr [[ARG]], i64 1
; COUNT1-NEXT: [[LOAD:%.*]] = load double, ptr [[GETELEMENTPTR]], align 8
; COUNT1-NEXT: [[SELECT4:%.*]] = select i1 [[FCMP3]], double 0.000000e+00, double [[LOAD]]
; COUNT1-NEXT: [[LOAD7:%.*]] = load double, ptr [[ARG]], align 8
; COUNT1-NEXT: [[SELECT10:%.*]] = select i1 [[FCMP3]], double 0.000000e+00, double [[LOAD7]]
; COUNT1-NEXT: [[FCMP11:%.*]] = fcmp olt double [[LOAD2]], 0.000000e+00
; COUNT1-NEXT: [[SELECT128:%.*]] = select i1 [[FCMP11]], double 0.000000e+00, double [[LOAD7]]
; COUNT1-NEXT: [[GETELEMENTPTR13:%.*]] = getelementptr double, ptr [[ARG]], i64 3
; COUNT1-NEXT: [[GETELEMENTPTR21:%.*]] = getelementptr double, ptr [[ARG]], i64 4
; COUNT1-NEXT: [[TMP0:%.*]] = insertelement <2 x double> poison, double [[SELECT10]], i32 0
; COUNT1-NEXT: [[TMP1:%.*]] = insertelement <2 x double> [[TMP0]], double [[LOAD]], i32 1
; COUNT1-NEXT: [[TMP2:%.*]] = fcmp olt <2 x double> [[TMP1]], zeroinitializer
; COUNT1-NEXT: [[TMP3:%.*]] = shufflevector <2 x double> [[TMP1]], <2 x double> <double 1.000000e+00, double poison>, <2 x i32> <i32 2, i32 1>
; COUNT1-NEXT: [[TMP4:%.*]] = select <2 x i1> [[TMP2]], <2 x double> zeroinitializer, <2 x double> [[TMP3]]
; COUNT1-NEXT: [[FCMP29:%.*]] = fcmp olt double [[SELECT4]], 0.000000e+00
; COUNT1-NEXT: [[SELECT30:%.*]] = select i1 [[FCMP29]], double 1.000000e+00, double 0.000000e+00
; COUNT1-NEXT: [[TMP5:%.*]] = extractelement <2 x double> [[TMP4]], i32 0
; COUNT1-NEXT: [[TMP6:%.*]] = extractelement <2 x double> [[TMP4]], i32 1
; COUNT1-NEXT: [[FCMP33:%.*]] = fcmp olt double [[TMP5]], [[TMP6]]
; COUNT1-NEXT: [[SELECT34:%.*]] = select i1 [[FCMP33]], double 0.000000e+00, double [[LOAD2]]
; COUNT1-NEXT: [[FCMP39:%.*]] = fcmp olt double [[SELECT30]], [[SELECT128]]
; COUNT1-NEXT: [[SELECT40:%.*]] = select i1 [[FCMP39]], double [[LOAD2]], double 0.000000e+00
; COUNT1-NEXT: [[FCMP62:%.*]] = fcmp olt double [[SELECT34]], 0.000000e+00
; COUNT1-NEXT: [[SELECT639:%.*]] = select i1 [[FCMP62]], double 0.000000e+00, double 1.000000e+00
; COUNT1-NEXT: [[FCMP76:%.*]] = fcmp olt double [[SELECT40]], 0.000000e+00
; COUNT1-NEXT: [[SELECT77:%.*]] = select i1 [[FCMP76]], double 0.000000e+00, double 1.000000e+00
; COUNT1-NEXT: [[FCMP90:%.*]] = fcmp ogt double [[SELECT639]], 0.000000e+00
; COUNT1-NEXT: [[SELECT91:%.*]] = select i1 [[FCMP90]], double 0.000000e+00, double [[LOAD2]]
; COUNT1-NEXT: [[FCMP92:%.*]] = fcmp ogt double [[SELECT77]], 0.000000e+00
; COUNT1-NEXT: [[SELECT93:%.*]] = select i1 [[FCMP92]], double 0.000000e+00, double [[LOAD2]]
; COUNT1-NEXT: [[FCMP108:%.*]] = fcmp olt double [[SELECT93]], 0.000000e+00
; COUNT1-NEXT: [[SELECT109:%.*]] = select i1 [[FCMP108]], double 1.000000e+00, double 0.000000e+00
; COUNT1-NEXT: [[FCMP110:%.*]] = fcmp olt double [[SELECT91]], 0.000000e+00
; COUNT1-NEXT: [[SELECT111:%.*]] = select i1 [[FCMP110]], double 1.000000e+00, double 0.000000e+00
; COUNT1-NEXT: store double [[SELECT111]], ptr [[GETELEMENTPTR21]], align 8
; COUNT1-NEXT: store double [[SELECT109]], ptr [[GETELEMENTPTR13]], align 8
; COUNT1-NEXT: ret void
;
; COUNT2-LABEL: define void @blam
; COUNT2-SAME: (ptr [[ARG:%.*]], double [[LOAD2:%.*]], i1 [[FCMP3:%.*]]) {
; COUNT2-NEXT: bb:
; COUNT2-NEXT: [[GETELEMENTPTR:%.*]] = getelementptr double, ptr [[ARG]], i64 1
; COUNT2-NEXT: [[LOAD:%.*]] = load double, ptr [[GETELEMENTPTR]], align 8
; COUNT2-NEXT: [[FCMP:%.*]] = fcmp olt double [[LOAD]], 0.000000e+00
; COUNT2-NEXT: [[SELECT3:%.*]] = select i1 [[FCMP]], double 0.000000e+00, double [[LOAD]]
; COUNT2-NEXT: [[SELECT4:%.*]] = select i1 [[FCMP3]], double 0.000000e+00, double [[LOAD]]
; COUNT2-NEXT: [[LOAD7:%.*]] = load double, ptr [[ARG]], align 8
; COUNT2-NEXT: [[SELECT10:%.*]] = select i1 [[FCMP3]], double 0.000000e+00, double [[LOAD7]]
; COUNT2-NEXT: [[FCMP11:%.*]] = fcmp olt double [[LOAD2]], 0.000000e+00
; COUNT2-NEXT: [[SELECT128:%.*]] = select i1 [[FCMP11]], double 0.000000e+00, double [[LOAD7]]
; COUNT2-NEXT: [[GETELEMENTPTR13:%.*]] = getelementptr double, ptr [[ARG]], i64 3
; COUNT2-NEXT: [[GETELEMENTPTR21:%.*]] = getelementptr double, ptr [[ARG]], i64 4
; COUNT2-NEXT: [[FCMP23:%.*]] = fcmp olt double [[SELECT10]], 0.000000e+00
; COUNT2-NEXT: [[SELECT24:%.*]] = select i1 [[FCMP23]], double 0.000000e+00, double 1.000000e+00
; COUNT2-NEXT: [[FCMP29:%.*]] = fcmp olt double [[SELECT4]], 0.000000e+00
; COUNT2-NEXT: [[SELECT30:%.*]] = select i1 [[FCMP29]], double 1.000000e+00, double 0.000000e+00
; COUNT2-NEXT: [[FCMP33:%.*]] = fcmp olt double [[SELECT24]], [[SELECT3]]
; COUNT2-NEXT: [[SELECT34:%.*]] = select i1 [[FCMP33]], double 0.000000e+00, double [[LOAD2]]
; COUNT2-NEXT: [[FCMP39:%.*]] = fcmp olt double [[SELECT30]], [[SELECT128]]
; COUNT2-NEXT: [[SELECT40:%.*]] = select i1 [[FCMP39]], double [[LOAD2]], double 0.000000e+00
; COUNT2-NEXT: [[FCMP62:%.*]] = fcmp olt double [[SELECT34]], 0.000000e+00
; COUNT2-NEXT: [[SELECT639:%.*]] = select i1 [[FCMP62]], double 0.000000e+00, double 1.000000e+00
; COUNT2-NEXT: [[FCMP76:%.*]] = fcmp olt double [[SELECT40]], 0.000000e+00
; COUNT2-NEXT: [[SELECT77:%.*]] = select i1 [[FCMP76]], double 0.000000e+00, double 1.000000e+00
; COUNT2-NEXT: [[FCMP90:%.*]] = fcmp ogt double [[SELECT639]], 0.000000e+00
; COUNT2-NEXT: [[SELECT91:%.*]] = select i1 [[FCMP90]], double 0.000000e+00, double [[LOAD2]]
; COUNT2-NEXT: [[FCMP92:%.*]] = fcmp ogt double [[SELECT77]], 0.000000e+00
; COUNT2-NEXT: [[SELECT93:%.*]] = select i1 [[FCMP92]], double 0.000000e+00, double [[LOAD2]]
; COUNT2-NEXT: [[FCMP108:%.*]] = fcmp olt double [[SELECT93]], 0.000000e+00
; COUNT2-NEXT: [[SELECT109:%.*]] = select i1 [[FCMP108]], double 1.000000e+00, double 0.000000e+00
; COUNT2-NEXT: [[FCMP110:%.*]] = fcmp olt double [[SELECT91]], 0.000000e+00
; COUNT2-NEXT: [[SELECT111:%.*]] = select i1 [[FCMP110]], double 1.000000e+00, double 0.000000e+00
; COUNT2-NEXT: store double [[SELECT111]], ptr [[GETELEMENTPTR21]], align 8
; COUNT2-NEXT: store double [[SELECT109]], ptr [[GETELEMENTPTR13]], align 8
; COUNT2-NEXT: ret void
;
; COUNT-1-LABEL: define void @blam
; COUNT-1-SAME: (ptr [[ARG:%.*]], double [[LOAD2:%.*]], i1 [[FCMP3:%.*]]) {
; COUNT-1-NEXT: bb:
; COUNT-1-NEXT: [[GETELEMENTPTR:%.*]] = getelementptr double, ptr [[ARG]], i64 1
; COUNT-1-NEXT: [[LOAD:%.*]] = load double, ptr [[GETELEMENTPTR]], align 8
; COUNT-1-NEXT: [[SELECT4:%.*]] = select i1 [[FCMP3]], double 0.000000e+00, double [[LOAD]]
; COUNT-1-NEXT: [[LOAD7:%.*]] = load double, ptr [[ARG]], align 8
; COUNT-1-NEXT: [[SELECT10:%.*]] = select i1 [[FCMP3]], double 0.000000e+00, double [[LOAD7]]
; COUNT-1-NEXT: [[GETELEMENTPTR13:%.*]] = getelementptr double, ptr [[ARG]], i64 3
; COUNT-1-NEXT: [[GETELEMENTPTR21:%.*]] = getelementptr double, ptr [[ARG]], i64 4
; COUNT-1-NEXT: [[TMP0:%.*]] = insertelement <2 x double> poison, double [[SELECT10]], i32 0
; COUNT-1-NEXT: [[TMP1:%.*]] = insertelement <2 x double> [[TMP0]], double [[LOAD]], i32 1
; COUNT-1-NEXT: [[TMP2:%.*]] = fcmp olt <2 x double> [[TMP1]], zeroinitializer
; COUNT-1-NEXT: [[TMP3:%.*]] = shufflevector <2 x double> [[TMP1]], <2 x double> <double 1.000000e+00, double poison>, <2 x i32> <i32 2, i32 1>
; COUNT-1-NEXT: [[TMP4:%.*]] = select <2 x i1> [[TMP2]], <2 x double> zeroinitializer, <2 x double> [[TMP3]]
; COUNT-1-NEXT: [[TMP5:%.*]] = insertelement <2 x double> poison, double [[LOAD2]], i32 1
; COUNT-1-NEXT: [[TMP6:%.*]] = insertelement <2 x double> [[TMP5]], double [[SELECT4]], i32 0
; COUNT-1-NEXT: [[TMP7:%.*]] = fcmp olt <2 x double> [[TMP6]], zeroinitializer
; COUNT-1-NEXT: [[TMP8:%.*]] = insertelement <2 x double> <double 0.000000e+00, double poison>, double [[LOAD7]], i32 1
; COUNT-1-NEXT: [[TMP9:%.*]] = select <2 x i1> [[TMP7]], <2 x double> <double 1.000000e+00, double 0.000000e+00>, <2 x double> [[TMP8]]
; COUNT-1-NEXT: [[TMP10:%.*]] = extractelement <2 x double> [[TMP4]], i32 0
; COUNT-1-NEXT: [[TMP11:%.*]] = extractelement <2 x double> [[TMP4]], i32 1
; COUNT-1-NEXT: [[FCMP33:%.*]] = fcmp olt double [[TMP10]], [[TMP11]]
; COUNT-1-NEXT: [[SELECT34:%.*]] = select i1 [[FCMP33]], double 0.000000e+00, double [[LOAD2]]
; COUNT-1-NEXT: [[TMP12:%.*]] = extractelement <2 x double> [[TMP9]], i32 0
; COUNT-1-NEXT: [[TMP13:%.*]] = extractelement <2 x double> [[TMP9]], i32 1
; COUNT-1-NEXT: [[FCMP39:%.*]] = fcmp olt double [[TMP12]], [[TMP13]]
; COUNT-1-NEXT: [[SELECT40:%.*]] = select i1 [[FCMP39]], double [[LOAD2]], double 0.000000e+00
; COUNT-1-NEXT: [[FCMP62:%.*]] = fcmp olt double [[SELECT34]], 0.000000e+00
; COUNT-1-NEXT: [[SELECT639:%.*]] = select i1 [[FCMP62]], double 0.000000e+00, double 1.000000e+00
; COUNT-1-NEXT: [[FCMP76:%.*]] = fcmp olt double [[SELECT40]], 0.000000e+00
; COUNT-1-NEXT: [[SELECT77:%.*]] = select i1 [[FCMP76]], double 0.000000e+00, double 1.000000e+00
; COUNT-1-NEXT: [[FCMP90:%.*]] = fcmp ogt double [[SELECT639]], 0.000000e+00
; COUNT-1-NEXT: [[SELECT91:%.*]] = select i1 [[FCMP90]], double 0.000000e+00, double [[LOAD2]]
; COUNT-1-NEXT: [[FCMP92:%.*]] = fcmp ogt double [[SELECT77]], 0.000000e+00
; COUNT-1-NEXT: [[SELECT93:%.*]] = select i1 [[FCMP92]], double 0.000000e+00, double [[LOAD2]]
; COUNT-1-NEXT: [[FCMP108:%.*]] = fcmp olt double [[SELECT93]], 0.000000e+00
; COUNT-1-NEXT: [[SELECT109:%.*]] = select i1 [[FCMP108]], double 1.000000e+00, double 0.000000e+00
; COUNT-1-NEXT: [[FCMP110:%.*]] = fcmp olt double [[SELECT91]], 0.000000e+00
; COUNT-1-NEXT: [[SELECT111:%.*]] = select i1 [[FCMP110]], double 1.000000e+00, double 0.000000e+00
; COUNT-1-NEXT: store double [[SELECT111]], ptr [[GETELEMENTPTR21]], align 8
; COUNT-1-NEXT: store double [[SELECT109]], ptr [[GETELEMENTPTR13]], align 8
; COUNT-1-NEXT: ret void
;
bb:
%getelementptr = getelementptr double, ptr %arg, i64 1
%load = load double, ptr %getelementptr, align 8
%fcmp = fcmp olt double %load, 0.000000e+00
%select3 = select i1 %fcmp, double 0.000000e+00, double %load
%select4 = select i1 %fcmp3, double 0.000000e+00, double %load
%load7 = load double, ptr %arg, align 8
%select10 = select i1 %fcmp3, double 0.000000e+00, double %load7
%fcmp11 = fcmp olt double %load2, 0.000000e+00
%select128 = select i1 %fcmp11, double 0.000000e+00, double %load7
%getelementptr13 = getelementptr double, ptr %arg, i64 3
%getelementptr21 = getelementptr double, ptr %arg, i64 4
%fcmp23 = fcmp olt double %select10, 0.000000e+00
%select24 = select i1 %fcmp23, double 0.000000e+00, double 1.000000e+00
%fcmp29 = fcmp olt double %select4, 0.000000e+00
%select30 = select i1 %fcmp29, double 1.000000e+00, double 0.000000e+00
%fcmp33 = fcmp olt double %select24, %select3
%select34 = select i1 %fcmp33, double 0.000000e+00, double %load2
%fcmp39 = fcmp olt double %select30, %select128
%select40 = select i1 %fcmp39, double %load2, double 0.000000e+00
%fcmp62 = fcmp olt double %select34, 0.000000e+00
%select639 = select i1 %fcmp62, double 0.000000e+00, double 1.000000e+00
%fcmp76 = fcmp olt double %select40, 0.000000e+00
%select77 = select i1 %fcmp76, double 0.000000e+00, double 1.000000e+00
%fcmp90 = fcmp ogt double %select639, 0.000000e+00
%select91 = select i1 %fcmp90, double 0.000000e+00, double %load2
%fcmp92 = fcmp ogt double %select77, 0.000000e+00
%select93 = select i1 %fcmp92, double 0.000000e+00, double %load2
%fcmp108 = fcmp olt double %select93, 0.000000e+00
%select109 = select i1 %fcmp108, double 1.000000e+00, double 0.000000e+00
%fcmp110 = fcmp olt double %select91, 0.000000e+00
%select111 = select i1 %fcmp110, double 1.000000e+00, double 0.000000e+00
store double %select111, ptr %getelementptr21, align 8
store double %select109, ptr %getelementptr13, align 8
ret void
}
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