[llvm-branch-commits] [llvm] release/18.x: [SLP]Fix PR79229: Check that extractelement is used only in a single node (PR #81984)
via llvm-branch-commits
llvm-branch-commits at lists.llvm.org
Fri Feb 16 04:01:22 PST 2024
https://github.com/llvmbot updated https://github.com/llvm/llvm-project/pull/81984
>From 40f34121a954fc2184b1ecf19a2b797482c1434e Mon Sep 17 00:00:00 2001
From: Alexey Bataev <a.bataev at outlook.com>
Date: Wed, 24 Jan 2024 10:57:18 -0800
Subject: [PATCH 1/2] [SLP]Fix PR79229: Check that extractelement is used only
in a single node before erasing.
Before trying to erase the extractelement instruction, not enough to
check for single use, need to check that it is not used in several nodes
because of the preliminary nodes reordering.
(cherry picked from commit 48bbd7658710ef1699bf2a6532ff5830230aacc5)
---
.../Transforms/Vectorize/SLPVectorizer.cpp | 11 +-
.../extractelement-single-use-many-nodes.ll | 144 ++++++++++++++++++
2 files changed, 154 insertions(+), 1 deletion(-)
create mode 100644 llvm/test/Transforms/SLPVectorizer/X86/extractelement-single-use-many-nodes.ll
diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 601d2454c1e163..83f787d7fb624a 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -10216,7 +10216,16 @@ class BoUpSLP::ShuffleInstructionBuilder final : public BaseShuffleAnalysis {
// If the only one use is vectorized - can delete the extractelement
// itself.
if (!EI->hasOneUse() || any_of(EI->users(), [&](User *U) {
- return !R.ScalarToTreeEntry.count(U);
+ const TreeEntry *UTE = R.getTreeEntry(U);
+ return !UTE || R.MultiNodeScalars.contains(U) ||
+ count_if(R.VectorizableTree,
+ [&](const std::unique_ptr<TreeEntry> &TE) {
+ return any_of(TE->UserTreeIndices,
+ [&](const EdgeInfo &Edge) {
+ return Edge.UserTE == UTE;
+ }) &&
+ is_contained(TE->Scalars, EI);
+ }) != 1;
}))
continue;
R.eraseInstruction(EI);
diff --git a/llvm/test/Transforms/SLPVectorizer/X86/extractelement-single-use-many-nodes.ll b/llvm/test/Transforms/SLPVectorizer/X86/extractelement-single-use-many-nodes.ll
new file mode 100644
index 00000000000000..f665dac3282b79
--- /dev/null
+++ b/llvm/test/Transforms/SLPVectorizer/X86/extractelement-single-use-many-nodes.ll
@@ -0,0 +1,144 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
+; RUN: opt -passes=slp-vectorizer -mtriple=x86_64-unknown-linux-gnu -mcpu=x86-64-v3 -S < %s | FileCheck %s
+
+define void @foo(double %i) {
+; CHECK-LABEL: define void @foo(
+; CHECK-SAME: double [[I:%.*]]) #[[ATTR0:[0-9]+]] {
+; CHECK-NEXT: bb:
+; CHECK-NEXT: [[TMP0:%.*]] = insertelement <4 x double> <double 0.000000e+00, double 0.000000e+00, double poison, double 0.000000e+00>, double [[I]], i32 2
+; CHECK-NEXT: [[TMP1:%.*]] = fsub <4 x double> zeroinitializer, [[TMP0]]
+; CHECK-NEXT: [[TMP2:%.*]] = extractelement <4 x double> [[TMP1]], i32 1
+; CHECK-NEXT: [[TMP3:%.*]] = insertelement <2 x double> poison, double [[I]], i32 0
+; CHECK-NEXT: [[TMP4:%.*]] = fsub <2 x double> zeroinitializer, [[TMP3]]
+; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x double> [[TMP4]], i32 1
+; CHECK-NEXT: [[TMP6:%.*]] = shufflevector <2 x double> [[TMP4]], <2 x double> poison, <8 x i32> <i32 poison, i32 poison, i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
+; CHECK-NEXT: [[TMP7:%.*]] = shufflevector <8 x double> [[TMP6]], <8 x double> <double 0.000000e+00, double poison, double poison, double poison, double poison, double 0.000000e+00, double 0.000000e+00, double 0.000000e+00>, <8 x i32> <i32 8, i32 poison, i32 2, i32 poison, i32 poison, i32 13, i32 14, i32 15>
+; CHECK-NEXT: [[TMP8:%.*]] = insertelement <8 x double> [[TMP7]], double [[TMP2]], i32 3
+; CHECK-NEXT: [[TMP9:%.*]] = shufflevector <4 x double> [[TMP1]], <4 x double> poison, <8 x i32> <i32 0, i32 poison, i32 poison, i32 poison, i32 poison, i32 0, i32 poison, i32 1>
+; CHECK-NEXT: [[TMP10:%.*]] = shufflevector <8 x double> [[TMP9]], <8 x double> <double poison, double 0.000000e+00, double 0.000000e+00, double 0.000000e+00, double 0.000000e+00, double poison, double poison, double poison>, <8 x i32> <i32 0, i32 9, i32 10, i32 11, i32 12, i32 5, i32 poison, i32 7>
+; CHECK-NEXT: [[TMP11:%.*]] = insertelement <8 x double> [[TMP10]], double [[TMP5]], i32 6
+; CHECK-NEXT: [[TMP12:%.*]] = fmul <8 x double> [[TMP8]], [[TMP11]]
+; CHECK-NEXT: [[TMP13:%.*]] = fadd <8 x double> zeroinitializer, [[TMP12]]
+; CHECK-NEXT: [[TMP14:%.*]] = fadd <8 x double> [[TMP13]], zeroinitializer
+; CHECK-NEXT: [[TMP15:%.*]] = fcmp ult <8 x double> [[TMP14]], zeroinitializer
+; CHECK-NEXT: [[TMP16:%.*]] = freeze <8 x i1> [[TMP15]]
+; CHECK-NEXT: [[TMP17:%.*]] = call i1 @llvm.vector.reduce.and.v8i1(<8 x i1> [[TMP16]])
+; CHECK-NEXT: br i1 [[TMP17]], label [[BB58:%.*]], label [[BB115:%.*]]
+; CHECK: bb115:
+; CHECK-NEXT: [[TMP18:%.*]] = fmul <2 x double> zeroinitializer, [[TMP4]]
+; CHECK-NEXT: [[TMP19:%.*]] = extractelement <2 x double> [[TMP18]], i32 0
+; CHECK-NEXT: [[TMP20:%.*]] = extractelement <2 x double> [[TMP18]], i32 1
+; CHECK-NEXT: [[I118:%.*]] = fadd double [[TMP19]], [[TMP20]]
+; CHECK-NEXT: [[TMP21:%.*]] = fmul <4 x double> zeroinitializer, [[TMP1]]
+; CHECK-NEXT: [[TMP22:%.*]] = shufflevector <2 x double> [[TMP4]], <2 x double> poison, <4 x i32> <i32 0, i32 1, i32 poison, i32 poison>
+; CHECK-NEXT: [[TMP23:%.*]] = shufflevector <4 x double> <double 0.000000e+00, double 0.000000e+00, double 0.000000e+00, double poison>, <4 x double> [[TMP22]], <4 x i32> <i32 0, i32 1, i32 2, i32 5>
+; CHECK-NEXT: [[TMP24:%.*]] = fadd <4 x double> [[TMP21]], [[TMP23]]
+; CHECK-NEXT: [[TMP25:%.*]] = fadd <4 x double> [[TMP24]], zeroinitializer
+; CHECK-NEXT: [[TMP26:%.*]] = select <4 x i1> zeroinitializer, <4 x double> zeroinitializer, <4 x double> [[TMP25]]
+; CHECK-NEXT: [[TMP27:%.*]] = fmul <4 x double> [[TMP26]], zeroinitializer
+; CHECK-NEXT: [[TMP28:%.*]] = fmul <4 x double> [[TMP27]], zeroinitializer
+; CHECK-NEXT: [[TMP29:%.*]] = fptosi <4 x double> [[TMP28]] to <4 x i32>
+; CHECK-NEXT: [[TMP30:%.*]] = or <4 x i32> zeroinitializer, [[TMP29]]
+; CHECK-NEXT: [[TMP31:%.*]] = call i32 @llvm.vector.reduce.smin.v4i32(<4 x i32> [[TMP30]])
+; CHECK-NEXT: [[OP_RDX:%.*]] = icmp slt i32 [[TMP31]], 32000
+; CHECK-NEXT: [[OP_RDX1:%.*]] = select i1 [[OP_RDX]], i32 [[TMP31]], i32 32000
+; CHECK-NEXT: [[I163:%.*]] = fcmp ogt double [[I118]], 0.000000e+00
+; CHECK-NEXT: [[I164:%.*]] = icmp slt i32 0, [[OP_RDX1]]
+; CHECK-NEXT: unreachable
+; CHECK: bb58:
+; CHECK-NEXT: ret void
+;
+bb:
+ %i75 = fsub double 0.000000e+00, 0.000000e+00
+ %i76 = fsub double 0.000000e+00, 0.000000e+00
+ %i77 = fmul double 0.000000e+00, %i75
+ %i78 = fmul double 0.000000e+00, %i76
+ %i79 = fadd double %i78, 0.000000e+00
+ %i80 = fadd double %i79, 0.000000e+00
+ %i81 = fcmp ult double %i80, 0.000000e+00
+ %i82 = fsub double 0.000000e+00, poison
+ %i83 = fmul double 0.000000e+00, %i82
+ %i84 = fadd double 0.000000e+00, %i83
+ %i85 = fadd double %i84, 0.000000e+00
+ %i86 = fcmp ult double %i85, 0.000000e+00
+ %i87 = fsub double 0.000000e+00, %i
+ %i88 = fadd double 0.000000e+00, %i77
+ %i89 = fadd double %i88, 0.000000e+00
+ %i90 = fcmp ult double %i89, 0.000000e+00
+ %i91 = fsub double 0.000000e+00, 0.000000e+00
+ %i92 = fmul double poison, 0.000000e+00
+ %i93 = fadd double %i92, 0.000000e+00
+ %i94 = fadd double %i93, 0.000000e+00
+ %i95 = fcmp ult double %i94, 0.000000e+00
+ %i96 = fadd double %i79, 0.000000e+00
+ %i97 = fcmp ult double %i96, 0.000000e+00
+ %i98 = fadd double %i84, 0.000000e+00
+ %i99 = fcmp ult double %i98, 0.000000e+00
+ %i100 = fadd double 0.000000e+00, %i77
+ %i101 = fadd double %i100, 0.000000e+00
+ %i102 = fcmp ult double %i101, 0.000000e+00
+ %i103 = fsub double 0.000000e+00, %i
+ %i104 = fmul double poison, 0.000000e+00
+ %i105 = fadd double %i104, 0.000000e+00
+ %i106 = fadd double %i105, 0.000000e+00
+ %i107 = fcmp ult double %i106, 0.000000e+00
+ %i108 = select i1 %i107, i1 %i102, i1 false
+ %i109 = select i1 %i108, i1 %i99, i1 false
+ %i110 = select i1 %i109, i1 %i97, i1 false
+ %i111 = select i1 %i110, i1 %i95, i1 false
+ %i112 = select i1 %i111, i1 %i90, i1 false
+ %i113 = select i1 %i112, i1 %i86, i1 false
+ %i114 = select i1 %i113, i1 %i81, i1 false
+ br i1 %i114, label %bb58, label %bb115
+
+bb115:
+ %i116 = fmul double 0.000000e+00, %i103
+ %i117 = fmul double 0.000000e+00, %i82
+ %i118 = fadd double %i116, %i117
+ %i120 = fmul double 0.000000e+00, %i75
+ %i121 = fmul double 0.000000e+00, %i76
+ %i122 = fadd double %i121, 0.000000e+00
+ %i123 = fadd double 0.000000e+00, %i120
+ %i124 = fmul double 0.000000e+00, %i91
+ %i125 = fadd double %i124, %i82
+ %i126 = fadd double %i125, 0.000000e+00
+ %i127 = fmul double 0.000000e+00, %i87
+ %i128 = fadd double %i127, 0.000000e+00
+ %i129 = fadd double %i128, 0.000000e+00
+ %i130 = fadd double %i122, 0.000000e+00
+ %i131 = fadd double %i123, 0.000000e+00
+ %i132 = select i1 false, double 0.000000e+00, double %i131
+ %i133 = fmul double %i132, 0.000000e+00
+ %i134 = fmul double %i133, 0.000000e+00
+ %i135 = fptosi double %i134 to i32
+ %i136 = or i32 0, %i135
+ %i137 = icmp slt i32 %i136, 32000
+ %i138 = select i1 %i137, i32 %i136, i32 32000
+ %i139 = select i1 false, double 0.000000e+00, double %i130
+ %i140 = fmul double %i139, 0.000000e+00
+ %i141 = fmul double %i140, 0.000000e+00
+ %i142 = fptosi double %i141 to i32
+ %i143 = or i32 0, %i142
+ %i144 = icmp slt i32 %i143, %i138
+ %i145 = select i1 %i144, i32 %i143, i32 %i138
+ %i146 = select i1 false, double 0.000000e+00, double %i129
+ %i147 = fmul double %i146, 0.000000e+00
+ %i148 = fmul double %i147, 0.000000e+00
+ %i149 = fptosi double %i148 to i32
+ %i150 = or i32 0, %i149
+ %i151 = icmp slt i32 %i150, %i145
+ %i152 = select i1 %i151, i32 %i150, i32 %i145
+ %i153 = select i1 false, double 0.000000e+00, double %i126
+ %i154 = fmul double %i153, 0.000000e+00
+ %i155 = fmul double %i154, 0.000000e+00
+ %i156 = fptosi double %i155 to i32
+ %i157 = or i32 0, %i156
+ %i158 = icmp slt i32 %i157, %i152
+ %i159 = select i1 %i158, i32 %i157, i32 %i152
+ %i163 = fcmp ogt double %i118, 0.000000e+00
+ %i164 = icmp slt i32 0, %i159
+ unreachable
+
+bb58:
+ ret void
+}
>From fe8b0b2897bea13762bf869d178ea1886dce1b1b Mon Sep 17 00:00:00 2001
From: Alexey Bataev <a.bataev at outlook.com>
Date: Thu, 25 Jan 2024 06:06:15 -0800
Subject: [PATCH 2/2] [SLP]Fix PR79229: Do not erase extractelement, if it used
in multiregister node.
If the node can be span between several registers and same
extractelement instruction is used in several parts, it may be required
to keep such extractelement instruction to avoid compiler crash.
(cherry picked from commit 6fe21bc1dac883efa0dfa807f327048ae9969b81)
---
.../Transforms/Vectorize/SLPVectorizer.cpp | 3 +-
.../X86/extractelement-multi-register-use.ll | 107 ++++++++++++++++++
2 files changed, 109 insertions(+), 1 deletion(-)
create mode 100644 llvm/test/Transforms/SLPVectorizer/X86/extractelement-multi-register-use.ll
diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 83f787d7fb624a..0a9e2c7f49f55f 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -10215,7 +10215,8 @@ class BoUpSLP::ShuffleInstructionBuilder final : public BaseShuffleAnalysis {
UniqueBases.insert(VecBase);
// If the only one use is vectorized - can delete the extractelement
// itself.
- if (!EI->hasOneUse() || any_of(EI->users(), [&](User *U) {
+ if (!EI->hasOneUse() || (NumParts != 1 && count(E->Scalars, EI) > 1) ||
+ any_of(EI->users(), [&](User *U) {
const TreeEntry *UTE = R.getTreeEntry(U);
return !UTE || R.MultiNodeScalars.contains(U) ||
count_if(R.VectorizableTree,
diff --git a/llvm/test/Transforms/SLPVectorizer/X86/extractelement-multi-register-use.ll b/llvm/test/Transforms/SLPVectorizer/X86/extractelement-multi-register-use.ll
new file mode 100644
index 00000000000000..ba406c8f20bb08
--- /dev/null
+++ b/llvm/test/Transforms/SLPVectorizer/X86/extractelement-multi-register-use.ll
@@ -0,0 +1,107 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
+; RUN: opt -passes=slp-vectorizer -S -mtriple=x86_64-unknown-linux-gnu -mcpu=x86-64-v3 < %s | FileCheck %s
+
+define void @test(double %i) {
+; CHECK-LABEL: define void @test(
+; CHECK-SAME: double [[I:%.*]]) #[[ATTR0:[0-9]+]] {
+; CHECK-NEXT: bb:
+; CHECK-NEXT: [[TMP0:%.*]] = insertelement <2 x double> poison, double [[I]], i32 0
+; CHECK-NEXT: [[TMP1:%.*]] = fsub <2 x double> zeroinitializer, [[TMP0]]
+; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x double> <double 0.000000e+00, double poison>, double [[I]], i32 1
+; CHECK-NEXT: [[TMP3:%.*]] = fsub <2 x double> zeroinitializer, [[TMP2]]
+; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x double> [[TMP3]], i32 1
+; CHECK-NEXT: [[TMP5:%.*]] = fsub <2 x double> [[TMP0]], zeroinitializer
+; CHECK-NEXT: [[TMP6:%.*]] = shufflevector <2 x double> [[TMP5]], <2 x double> [[TMP3]], <4 x i32> <i32 poison, i32 poison, i32 0, i32 3>
+; CHECK-NEXT: [[TMP7:%.*]] = shufflevector <2 x double> [[TMP1]], <2 x double> [[TMP5]], <4 x i32> <i32 poison, i32 0, i32 2, i32 poison>
+; CHECK-NEXT: [[TMP8:%.*]] = shufflevector <4 x double> [[TMP6]], <4 x double> [[TMP7]], <8 x i32> <i32 poison, i32 poison, i32 2, i32 3, i32 poison, i32 5, i32 6, i32 poison>
+; CHECK-NEXT: [[TMP9:%.*]] = shufflevector <8 x double> [[TMP8]], <8 x double> <double 0.000000e+00, double 0.000000e+00, double poison, double poison, double 0.000000e+00, double poison, double poison, double poison>, <8 x i32> <i32 8, i32 9, i32 2, i32 3, i32 12, i32 5, i32 6, i32 poison>
+; CHECK-NEXT: [[TMP10:%.*]] = insertelement <8 x double> [[TMP9]], double [[TMP4]], i32 7
+; CHECK-NEXT: [[TMP11:%.*]] = fmul <8 x double> zeroinitializer, [[TMP10]]
+; CHECK-NEXT: [[TMP12:%.*]] = fadd <8 x double> zeroinitializer, [[TMP11]]
+; CHECK-NEXT: [[TMP13:%.*]] = fadd <8 x double> [[TMP12]], zeroinitializer
+; CHECK-NEXT: [[TMP14:%.*]] = fcmp ult <8 x double> [[TMP13]], zeroinitializer
+; CHECK-NEXT: br label [[BB116:%.*]]
+; CHECK: bb116:
+; CHECK-NEXT: [[TMP15:%.*]] = fmul <2 x double> zeroinitializer, [[TMP5]]
+; CHECK-NEXT: [[TMP16:%.*]] = extractelement <2 x double> [[TMP15]], i32 0
+; CHECK-NEXT: [[TMP17:%.*]] = extractelement <2 x double> [[TMP15]], i32 1
+; CHECK-NEXT: [[I120:%.*]] = fadd double [[TMP16]], [[TMP17]]
+; CHECK-NEXT: [[TMP18:%.*]] = fmul <2 x double> zeroinitializer, [[TMP1]]
+; CHECK-NEXT: [[TMP19:%.*]] = fmul <2 x double> zeroinitializer, [[TMP3]]
+; CHECK-NEXT: [[TMP20:%.*]] = extractelement <2 x double> [[TMP18]], i32 0
+; CHECK-NEXT: [[TMP21:%.*]] = extractelement <2 x double> [[TMP18]], i32 1
+; CHECK-NEXT: [[I128:%.*]] = fadd double [[TMP20]], [[TMP21]]
+; CHECK-NEXT: [[I139:%.*]] = call double @llvm.maxnum.f64(double [[I128]], double 0.000000e+00)
+; CHECK-NEXT: [[TMP22:%.*]] = fadd <2 x double> [[TMP19]], zeroinitializer
+; CHECK-NEXT: [[TMP23:%.*]] = call <2 x double> @llvm.maxnum.v2f64(<2 x double> [[TMP22]], <2 x double> zeroinitializer)
+; CHECK-NEXT: [[TMP24:%.*]] = fmul <2 x double> [[TMP23]], zeroinitializer
+; CHECK-NEXT: [[TMP25:%.*]] = fptosi <2 x double> [[TMP24]] to <2 x i32>
+; CHECK-NEXT: [[TMP26:%.*]] = sub <2 x i32> zeroinitializer, [[TMP25]]
+; CHECK-NEXT: [[TMP27:%.*]] = icmp sgt <2 x i32> [[TMP26]], zeroinitializer
+; CHECK-NEXT: [[I147:%.*]] = fcmp ogt double [[I120]], 0.000000e+00
+; CHECK-NEXT: ret void
+;
+bb:
+ %i74 = fsub double 0.000000e+00, poison
+ %i75 = fsub double 0.000000e+00, %i
+ %i76 = fmul double 0.000000e+00, %i75
+ %i77 = fadd double %i76, 0.000000e+00
+ %i78 = fadd double %i77, 0.000000e+00
+ %i79 = fcmp ult double %i78, 0.000000e+00
+ %i81 = fsub double %i, 0.000000e+00
+ %i82 = fmul double 0.000000e+00, %i81
+ %i83 = fadd double 0.000000e+00, %i82
+ %i84 = fadd double %i83, 0.000000e+00
+ %i85 = fcmp ult double %i84, 0.000000e+00
+ %i86 = fsub double 0.000000e+00, %i
+ %i87 = fmul double 0.000000e+00, %i86
+ %i88 = fadd double %i87, 0.000000e+00
+ %i89 = fadd double %i88, 0.000000e+00
+ %i90 = fcmp ult double %i89, 0.000000e+00
+ %i91 = fsub double 0.000000e+00, 0.000000e+00
+ %i92 = fmul double 0.000000e+00, 0.000000e+00
+ %i93 = fadd double %i92, 0.000000e+00
+ %i94 = fadd double %i93, 0.000000e+00
+ %i95 = fcmp ult double %i94, 0.000000e+00
+ %i96 = fsub double poison, 0.000000e+00
+ %i97 = fadd double %i77, 0.000000e+00
+ %i98 = fcmp ult double %i97, 0.000000e+00
+ %i99 = fadd double %i83, 0.000000e+00
+ %i100 = fcmp ult double %i99, 0.000000e+00
+ %i101 = fmul double 0.000000e+00, 0.000000e+00
+ %i102 = fadd double %i101, 0.000000e+00
+ %i103 = fadd double %i102, 0.000000e+00
+ %i104 = fcmp ult double %i103, 0.000000e+00
+ %i105 = fmul double 0.000000e+00, 0.000000e+00
+ %i106 = fadd double %i105, 0.000000e+00
+ %i107 = fadd double %i106, 0.000000e+00
+ %i108 = fcmp ult double %i107, 0.000000e+00
+ br label %bb116
+
+bb116:
+ %i117 = fmul double 0.000000e+00, %i81
+ %i119 = fmul double 0.000000e+00, %i96
+ %i120 = fadd double %i117, %i119
+ %i121 = fmul double 0.000000e+00, %i74
+ %i122 = fmul double 0.000000e+00, %i75
+ %i123 = fadd double %i122, 0.000000e+00
+ %i124 = fmul double 0.000000e+00, %i91
+ %i125 = fadd double %i124, 0.000000e+00
+ %i127 = fmul double 0.000000e+00, %i86
+ %i128 = fadd double %i127, %i121
+ %i133 = call double @llvm.maxnum.f64(double %i123, double 0.000000e+00)
+ %i134 = fmul double %i133, 0.000000e+00
+ %i135 = fptosi double %i134 to i32
+ %i136 = sub i32 0, %i135
+ %i137 = icmp sgt i32 %i136, 0
+ %i139 = call double @llvm.maxnum.f64(double %i128, double 0.000000e+00)
+ %i142 = call double @llvm.maxnum.f64(double %i125, double 0.000000e+00)
+ %i143 = fmul double %i142, 0.000000e+00
+ %i144 = fptosi double %i143 to i32
+ %i145 = sub i32 0, %i144
+ %i146 = icmp sgt i32 %i145, 0
+ %i147 = fcmp ogt double %i120, 0.000000e+00
+ ret void
+}
+
+declare double @llvm.maxnum.f64(double, double)
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