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Revert [LowerMatrixMultiplication] Switch dummy values from undef to …
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…poison [NFC]

This reverts commits 47e6f98 and 3e701bc
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@nunoplopes
nunoplopes committed Jul 1, 2022
1 parent 3e701bc commit 7c4f45f
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Showing 16 changed files with 127 additions and 127 deletions.
28 changes: 14 additions & 14 deletions llvm/lib/Transforms/Scalar/LowerMatrixIntrinsics.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -888,27 +888,27 @@ class LowerMatrixIntrinsics {
// having to update as many def-use and use-def chains.
//
// Because we add to ToRemove during fusion we can't guarantee that defs
// are before uses. Change uses to poison temporarily as these should get
// are before uses. Change uses to undef temporarily as these should get
// removed as well.
//
// For verification, we keep track of where we changed uses to poison in
// PoisonedInsts and then check that we in fact remove them.
SmallSet<Instruction *, 16> PoisonedInsts;
// For verification, we keep track of where we changed uses to undefs in
// UndefedInsts and then check that we in fact remove them.
SmallSet<Instruction *, 16> UndefedInsts;
for (auto *Inst : reverse(ToRemove)) {
for (Use &U : llvm::make_early_inc_range(Inst->uses())) {
if (auto *Poisoned = dyn_cast<Instruction>(U.getUser()))
PoisonedInsts.insert(Poisoned);
U.set(PoisonValue::get(Inst->getType()));
if (auto *Undefed = dyn_cast<Instruction>(U.getUser()))
UndefedInsts.insert(Undefed);
U.set(UndefValue::get(Inst->getType()));
}
Inst->eraseFromParent();
PoisonedInsts.erase(Inst);
UndefedInsts.erase(Inst);
}
if (!PoisonedInsts.empty()) {
// If we didn't remove all poisoned instructions, it's a hard error.
dbgs() << "Poisoned but present instructions:\n";
for (auto *I : PoisonedInsts)
if (!UndefedInsts.empty()) {
// If we didn't remove all undefed instructions, it's a hard error.
dbgs() << "Undefed but present instructions:\n";
for (auto *I : UndefedInsts)
dbgs() << *I << "\n";
llvm_unreachable("Poisoned but instruction not removed");
llvm_unreachable("Undefed but instruction not removed");
}

return Changed;
Expand Down Expand Up @@ -1667,7 +1667,7 @@ class LowerMatrixIntrinsics {

for (unsigned I = 0; I < NewNumVecs; ++I) {
// Build a single result vector. First initialize it.
Value *ResultVector = PoisonValue::get(
Value *ResultVector = UndefValue::get(
FixedVectorType::get(VectorTy->getElementType(), NewNumElts));
// Go through the old elements and insert it into the resulting vector.
for (auto J : enumerate(InputMatrix.vectors())) {
Expand Down
12 changes: 6 additions & 6 deletions llvm/test/Transforms/LowerMatrixIntrinsics/bigger-expressions-double.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -23,19 +23,19 @@ define void @transpose_multiply(<9 x double>* %A.Ptr, <9 x double>* %B.Ptr, <9 x
; CHECK-NEXT: [[VEC_CAST12:%.*]] = bitcast double* [[VEC_GEP11]] to <3 x double>*
; CHECK-NEXT: [[COL_LOAD13:%.*]] = load <3 x double>, <3 x double>* [[VEC_CAST12]], align 8
; CHECK-NEXT: [[TMP2:%.*]] = extractelement <3 x double> [[COL_LOAD]], i64 0
; CHECK-NEXT: [[TMP3:%.*]] = insertelement <3 x double> poison, double [[TMP2]], i64 0
; CHECK-NEXT: [[TMP3:%.*]] = insertelement <3 x double> undef, double [[TMP2]], i64 0
; CHECK-NEXT: [[TMP4:%.*]] = extractelement <3 x double> [[COL_LOAD2]], i64 0
; CHECK-NEXT: [[TMP5:%.*]] = insertelement <3 x double> [[TMP3]], double [[TMP4]], i64 1
; CHECK-NEXT: [[TMP6:%.*]] = extractelement <3 x double> [[COL_LOAD5]], i64 0
; CHECK-NEXT: [[TMP7:%.*]] = insertelement <3 x double> [[TMP5]], double [[TMP6]], i64 2
; CHECK-NEXT: [[TMP8:%.*]] = extractelement <3 x double> [[COL_LOAD]], i64 1
; CHECK-NEXT: [[TMP9:%.*]] = insertelement <3 x double> poison, double [[TMP8]], i64 0
; CHECK-NEXT: [[TMP9:%.*]] = insertelement <3 x double> undef, double [[TMP8]], i64 0
; CHECK-NEXT: [[TMP10:%.*]] = extractelement <3 x double> [[COL_LOAD2]], i64 1
; CHECK-NEXT: [[TMP11:%.*]] = insertelement <3 x double> [[TMP9]], double [[TMP10]], i64 1
; CHECK-NEXT: [[TMP12:%.*]] = extractelement <3 x double> [[COL_LOAD5]], i64 1
; CHECK-NEXT: [[TMP13:%.*]] = insertelement <3 x double> [[TMP11]], double [[TMP12]], i64 2
; CHECK-NEXT: [[TMP14:%.*]] = extractelement <3 x double> [[COL_LOAD]], i64 2
; CHECK-NEXT: [[TMP15:%.*]] = insertelement <3 x double> poison, double [[TMP14]], i64 0
; CHECK-NEXT: [[TMP15:%.*]] = insertelement <3 x double> undef, double [[TMP14]], i64 0
; CHECK-NEXT: [[TMP16:%.*]] = extractelement <3 x double> [[COL_LOAD2]], i64 2
; CHECK-NEXT: [[TMP17:%.*]] = insertelement <3 x double> [[TMP15]], double [[TMP16]], i64 1
; CHECK-NEXT: [[TMP18:%.*]] = extractelement <3 x double> [[COL_LOAD5]], i64 2
Expand Down Expand Up @@ -269,19 +269,19 @@ define void @transpose_multiply_add(<9 x double>* %A.Ptr, <9 x double>* %B.Ptr,
; CHECK-NEXT: [[VEC_CAST12:%.*]] = bitcast double* [[VEC_GEP11]] to <3 x double>*
; CHECK-NEXT: [[COL_LOAD13:%.*]] = load <3 x double>, <3 x double>* [[VEC_CAST12]], align 8
; CHECK-NEXT: [[TMP2:%.*]] = extractelement <3 x double> [[COL_LOAD]], i64 0
; CHECK-NEXT: [[TMP3:%.*]] = insertelement <3 x double> poison, double [[TMP2]], i64 0
; CHECK-NEXT: [[TMP3:%.*]] = insertelement <3 x double> undef, double [[TMP2]], i64 0
; CHECK-NEXT: [[TMP4:%.*]] = extractelement <3 x double> [[COL_LOAD2]], i64 0
; CHECK-NEXT: [[TMP5:%.*]] = insertelement <3 x double> [[TMP3]], double [[TMP4]], i64 1
; CHECK-NEXT: [[TMP6:%.*]] = extractelement <3 x double> [[COL_LOAD5]], i64 0
; CHECK-NEXT: [[TMP7:%.*]] = insertelement <3 x double> [[TMP5]], double [[TMP6]], i64 2
; CHECK-NEXT: [[TMP8:%.*]] = extractelement <3 x double> [[COL_LOAD]], i64 1
; CHECK-NEXT: [[TMP9:%.*]] = insertelement <3 x double> poison, double [[TMP8]], i64 0
; CHECK-NEXT: [[TMP9:%.*]] = insertelement <3 x double> undef, double [[TMP8]], i64 0
; CHECK-NEXT: [[TMP10:%.*]] = extractelement <3 x double> [[COL_LOAD2]], i64 1
; CHECK-NEXT: [[TMP11:%.*]] = insertelement <3 x double> [[TMP9]], double [[TMP10]], i64 1
; CHECK-NEXT: [[TMP12:%.*]] = extractelement <3 x double> [[COL_LOAD5]], i64 1
; CHECK-NEXT: [[TMP13:%.*]] = insertelement <3 x double> [[TMP11]], double [[TMP12]], i64 2
; CHECK-NEXT: [[TMP14:%.*]] = extractelement <3 x double> [[COL_LOAD]], i64 2
; CHECK-NEXT: [[TMP15:%.*]] = insertelement <3 x double> poison, double [[TMP14]], i64 0
; CHECK-NEXT: [[TMP15:%.*]] = insertelement <3 x double> undef, double [[TMP14]], i64 0
; CHECK-NEXT: [[TMP16:%.*]] = extractelement <3 x double> [[COL_LOAD2]], i64 2
; CHECK-NEXT: [[TMP17:%.*]] = insertelement <3 x double> [[TMP15]], double [[TMP16]], i64 1
; CHECK-NEXT: [[TMP18:%.*]] = extractelement <3 x double> [[COL_LOAD5]], i64 2
Expand Down
4 changes: 2 additions & 2 deletions llvm/test/Transforms/LowerMatrixIntrinsics/multiply-right-transpose.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -77,13 +77,13 @@ define <4 x double> @multiply_right_transpose_2x3x2(<6 x double> %a, <6 x double
; CHECK-NEXT: [[SPLIT40:%.*]] = shufflevector <6 x double> [[B]], <6 x double> poison, <2 x i32> <i32 2, i32 3>
; CHECK-NEXT: [[SPLIT41:%.*]] = shufflevector <6 x double> [[B]], <6 x double> poison, <2 x i32> <i32 4, i32 5>
; CHECK-NEXT: [[TMP0:%.*]] = extractelement <2 x double> [[SPLIT39]], i64 0
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <3 x double> poison, double [[TMP0]], i64 0
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <3 x double> undef, double [[TMP0]], i64 0
; CHECK-NEXT: [[TMP2:%.*]] = extractelement <2 x double> [[SPLIT40]], i64 0
; CHECK-NEXT: [[TMP3:%.*]] = insertelement <3 x double> [[TMP1]], double [[TMP2]], i64 1
; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x double> [[SPLIT41]], i64 0
; CHECK-NEXT: [[TMP5:%.*]] = insertelement <3 x double> [[TMP3]], double [[TMP4]], i64 2
; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x double> [[SPLIT39]], i64 1
; CHECK-NEXT: [[TMP7:%.*]] = insertelement <3 x double> poison, double [[TMP6]], i64 0
; CHECK-NEXT: [[TMP7:%.*]] = insertelement <3 x double> undef, double [[TMP6]], i64 0
; CHECK-NEXT: [[TMP8:%.*]] = extractelement <2 x double> [[SPLIT40]], i64 1
; CHECK-NEXT: [[TMP9:%.*]] = insertelement <3 x double> [[TMP7]], double [[TMP8]], i64 1
; CHECK-NEXT: [[TMP10:%.*]] = extractelement <2 x double> [[SPLIT41]], i64 1
Expand Down
12 changes: 6 additions & 6 deletions llvm/test/Transforms/LowerMatrixIntrinsics/propagate-backward.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -17,15 +17,15 @@ define <8 x double> @fadd_transpose(<8 x double> %a, <8 x double> %b) {
; CHECK-NEXT: [[TMP2:%.*]] = fadd <2 x double> [[SPLIT2]], [[SPLIT6]]
; CHECK-NEXT: [[TMP3:%.*]] = fadd <2 x double> [[SPLIT3]], [[SPLIT7]]
; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x double> [[TMP0]], i64 0
; CHECK-NEXT: [[TMP5:%.*]] = insertelement <4 x double> poison, double [[TMP4]], i64 0
; CHECK-NEXT: [[TMP5:%.*]] = insertelement <4 x double> undef, double [[TMP4]], i64 0
; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x double> [[TMP1]], i64 0
; CHECK-NEXT: [[TMP7:%.*]] = insertelement <4 x double> [[TMP5]], double [[TMP6]], i64 1
; CHECK-NEXT: [[TMP8:%.*]] = extractelement <2 x double> [[TMP2]], i64 0
; CHECK-NEXT: [[TMP9:%.*]] = insertelement <4 x double> [[TMP7]], double [[TMP8]], i64 2
; CHECK-NEXT: [[TMP10:%.*]] = extractelement <2 x double> [[TMP3]], i64 0
; CHECK-NEXT: [[TMP11:%.*]] = insertelement <4 x double> [[TMP9]], double [[TMP10]], i64 3
; CHECK-NEXT: [[TMP12:%.*]] = extractelement <2 x double> [[TMP0]], i64 1
; CHECK-NEXT: [[TMP13:%.*]] = insertelement <4 x double> poison, double [[TMP12]], i64 0
; CHECK-NEXT: [[TMP13:%.*]] = insertelement <4 x double> undef, double [[TMP12]], i64 0
; CHECK-NEXT: [[TMP14:%.*]] = extractelement <2 x double> [[TMP1]], i64 1
; CHECK-NEXT: [[TMP15:%.*]] = insertelement <4 x double> [[TMP13]], double [[TMP14]], i64 1
; CHECK-NEXT: [[TMP16:%.*]] = extractelement <2 x double> [[TMP2]], i64 1
Expand Down Expand Up @@ -65,15 +65,15 @@ define <8 x double> @load_fadd_transpose(<8 x double>* %A.Ptr, <8 x double> %b)
; CHECK-NEXT: [[TMP3:%.*]] = fadd <2 x double> [[COL_LOAD5]], [[SPLIT10]]
; CHECK-NEXT: [[TMP4:%.*]] = fadd <2 x double> [[COL_LOAD8]], [[SPLIT11]]
; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x double> [[TMP1]], i64 0
; CHECK-NEXT: [[TMP6:%.*]] = insertelement <4 x double> poison, double [[TMP5]], i64 0
; CHECK-NEXT: [[TMP6:%.*]] = insertelement <4 x double> undef, double [[TMP5]], i64 0
; CHECK-NEXT: [[TMP7:%.*]] = extractelement <2 x double> [[TMP2]], i64 0
; CHECK-NEXT: [[TMP8:%.*]] = insertelement <4 x double> [[TMP6]], double [[TMP7]], i64 1
; CHECK-NEXT: [[TMP9:%.*]] = extractelement <2 x double> [[TMP3]], i64 0
; CHECK-NEXT: [[TMP10:%.*]] = insertelement <4 x double> [[TMP8]], double [[TMP9]], i64 2
; CHECK-NEXT: [[TMP11:%.*]] = extractelement <2 x double> [[TMP4]], i64 0
; CHECK-NEXT: [[TMP12:%.*]] = insertelement <4 x double> [[TMP10]], double [[TMP11]], i64 3
; CHECK-NEXT: [[TMP13:%.*]] = extractelement <2 x double> [[TMP1]], i64 1
; CHECK-NEXT: [[TMP14:%.*]] = insertelement <4 x double> poison, double [[TMP13]], i64 0
; CHECK-NEXT: [[TMP14:%.*]] = insertelement <4 x double> undef, double [[TMP13]], i64 0
; CHECK-NEXT: [[TMP15:%.*]] = extractelement <2 x double> [[TMP2]], i64 1
; CHECK-NEXT: [[TMP16:%.*]] = insertelement <4 x double> [[TMP14]], double [[TMP15]], i64 1
; CHECK-NEXT: [[TMP17:%.*]] = extractelement <2 x double> [[TMP3]], i64 1
Expand Down Expand Up @@ -112,15 +112,15 @@ define <8 x double> @load_fneg_transpose(<8 x double>* %A.Ptr) {
; CHECK-NEXT: [[TMP3:%.*]] = fneg <2 x double> [[COL_LOAD5]]
; CHECK-NEXT: [[TMP4:%.*]] = fneg <2 x double> [[COL_LOAD8]]
; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x double> [[TMP1]], i64 0
; CHECK-NEXT: [[TMP6:%.*]] = insertelement <4 x double> poison, double [[TMP5]], i64 0
; CHECK-NEXT: [[TMP6:%.*]] = insertelement <4 x double> undef, double [[TMP5]], i64 0
; CHECK-NEXT: [[TMP7:%.*]] = extractelement <2 x double> [[TMP2]], i64 0
; CHECK-NEXT: [[TMP8:%.*]] = insertelement <4 x double> [[TMP6]], double [[TMP7]], i64 1
; CHECK-NEXT: [[TMP9:%.*]] = extractelement <2 x double> [[TMP3]], i64 0
; CHECK-NEXT: [[TMP10:%.*]] = insertelement <4 x double> [[TMP8]], double [[TMP9]], i64 2
; CHECK-NEXT: [[TMP11:%.*]] = extractelement <2 x double> [[TMP4]], i64 0
; CHECK-NEXT: [[TMP12:%.*]] = insertelement <4 x double> [[TMP10]], double [[TMP11]], i64 3
; CHECK-NEXT: [[TMP13:%.*]] = extractelement <2 x double> [[TMP1]], i64 1
; CHECK-NEXT: [[TMP14:%.*]] = insertelement <4 x double> poison, double [[TMP13]], i64 0
; CHECK-NEXT: [[TMP14:%.*]] = insertelement <4 x double> undef, double [[TMP13]], i64 0
; CHECK-NEXT: [[TMP15:%.*]] = extractelement <2 x double> [[TMP2]], i64 1
; CHECK-NEXT: [[TMP16:%.*]] = insertelement <4 x double> [[TMP14]], double [[TMP15]], i64 1
; CHECK-NEXT: [[TMP17:%.*]] = extractelement <2 x double> [[TMP3]], i64 1
Expand Down
18 changes: 9 additions & 9 deletions llvm/test/Transforms/LowerMatrixIntrinsics/propagate-backwards-unsupported.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -11,19 +11,19 @@ define <9 x double> @unsupported_phi(i1 %cond, <9 x double> %A, <9 x double> %B,
; CHECK-NEXT: [[SPLIT4:%.*]] = shufflevector <9 x double> [[A]], <9 x double> poison, <3 x i32> <i32 3, i32 4, i32 5>
; CHECK-NEXT: [[SPLIT5:%.*]] = shufflevector <9 x double> [[A]], <9 x double> poison, <3 x i32> <i32 6, i32 7, i32 8>
; CHECK-NEXT: [[TMP0:%.*]] = extractelement <3 x double> [[SPLIT3]], i64 0
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <3 x double> poison, double [[TMP0]], i64 0
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <3 x double> undef, double [[TMP0]], i64 0
; CHECK-NEXT: [[TMP2:%.*]] = extractelement <3 x double> [[SPLIT4]], i64 0
; CHECK-NEXT: [[TMP3:%.*]] = insertelement <3 x double> [[TMP1]], double [[TMP2]], i64 1
; CHECK-NEXT: [[TMP4:%.*]] = extractelement <3 x double> [[SPLIT5]], i64 0
; CHECK-NEXT: [[TMP5:%.*]] = insertelement <3 x double> [[TMP3]], double [[TMP4]], i64 2
; CHECK-NEXT: [[TMP6:%.*]] = extractelement <3 x double> [[SPLIT3]], i64 1
; CHECK-NEXT: [[TMP7:%.*]] = insertelement <3 x double> poison, double [[TMP6]], i64 0
; CHECK-NEXT: [[TMP7:%.*]] = insertelement <3 x double> undef, double [[TMP6]], i64 0
; CHECK-NEXT: [[TMP8:%.*]] = extractelement <3 x double> [[SPLIT4]], i64 1
; CHECK-NEXT: [[TMP9:%.*]] = insertelement <3 x double> [[TMP7]], double [[TMP8]], i64 1
; CHECK-NEXT: [[TMP10:%.*]] = extractelement <3 x double> [[SPLIT5]], i64 1
; CHECK-NEXT: [[TMP11:%.*]] = insertelement <3 x double> [[TMP9]], double [[TMP10]], i64 2
; CHECK-NEXT: [[TMP12:%.*]] = extractelement <3 x double> [[SPLIT3]], i64 2
; CHECK-NEXT: [[TMP13:%.*]] = insertelement <3 x double> poison, double [[TMP12]], i64 0
; CHECK-NEXT: [[TMP13:%.*]] = insertelement <3 x double> undef, double [[TMP12]], i64 0
; CHECK-NEXT: [[TMP14:%.*]] = extractelement <3 x double> [[SPLIT4]], i64 2
; CHECK-NEXT: [[TMP15:%.*]] = insertelement <3 x double> [[TMP13]], double [[TMP14]], i64 1
; CHECK-NEXT: [[TMP16:%.*]] = extractelement <3 x double> [[SPLIT5]], i64 2
Expand All @@ -37,19 +37,19 @@ define <9 x double> @unsupported_phi(i1 %cond, <9 x double> %A, <9 x double> %B,
; CHECK-NEXT: [[SPLIT1:%.*]] = shufflevector <9 x double> [[B]], <9 x double> poison, <3 x i32> <i32 3, i32 4, i32 5>
; CHECK-NEXT: [[SPLIT2:%.*]] = shufflevector <9 x double> [[B]], <9 x double> poison, <3 x i32> <i32 6, i32 7, i32 8>
; CHECK-NEXT: [[TMP21:%.*]] = extractelement <3 x double> [[SPLIT]], i64 0
; CHECK-NEXT: [[TMP22:%.*]] = insertelement <3 x double> poison, double [[TMP21]], i64 0
; CHECK-NEXT: [[TMP22:%.*]] = insertelement <3 x double> undef, double [[TMP21]], i64 0
; CHECK-NEXT: [[TMP23:%.*]] = extractelement <3 x double> [[SPLIT1]], i64 0
; CHECK-NEXT: [[TMP24:%.*]] = insertelement <3 x double> [[TMP22]], double [[TMP23]], i64 1
; CHECK-NEXT: [[TMP25:%.*]] = extractelement <3 x double> [[SPLIT2]], i64 0
; CHECK-NEXT: [[TMP26:%.*]] = insertelement <3 x double> [[TMP24]], double [[TMP25]], i64 2
; CHECK-NEXT: [[TMP27:%.*]] = extractelement <3 x double> [[SPLIT]], i64 1
; CHECK-NEXT: [[TMP28:%.*]] = insertelement <3 x double> poison, double [[TMP27]], i64 0
; CHECK-NEXT: [[TMP28:%.*]] = insertelement <3 x double> undef, double [[TMP27]], i64 0
; CHECK-NEXT: [[TMP29:%.*]] = extractelement <3 x double> [[SPLIT1]], i64 1
; CHECK-NEXT: [[TMP30:%.*]] = insertelement <3 x double> [[TMP28]], double [[TMP29]], i64 1
; CHECK-NEXT: [[TMP31:%.*]] = extractelement <3 x double> [[SPLIT2]], i64 1
; CHECK-NEXT: [[TMP32:%.*]] = insertelement <3 x double> [[TMP30]], double [[TMP31]], i64 2
; CHECK-NEXT: [[TMP33:%.*]] = extractelement <3 x double> [[SPLIT]], i64 2
; CHECK-NEXT: [[TMP34:%.*]] = insertelement <3 x double> poison, double [[TMP33]], i64 0
; CHECK-NEXT: [[TMP34:%.*]] = insertelement <3 x double> undef, double [[TMP33]], i64 0
; CHECK-NEXT: [[TMP35:%.*]] = extractelement <3 x double> [[SPLIT1]], i64 2
; CHECK-NEXT: [[TMP36:%.*]] = insertelement <3 x double> [[TMP34]], double [[TMP35]], i64 1
; CHECK-NEXT: [[TMP37:%.*]] = extractelement <3 x double> [[SPLIT2]], i64 2
Expand Down Expand Up @@ -269,19 +269,19 @@ define <9 x double> @unsupported_call(i1 %cond, <9 x double> %A, <9 x double> %B
; CHECK-NEXT: [[SPLIT1:%.*]] = shufflevector <9 x double> [[A]], <9 x double> poison, <3 x i32> <i32 3, i32 4, i32 5>
; CHECK-NEXT: [[SPLIT2:%.*]] = shufflevector <9 x double> [[A]], <9 x double> poison, <3 x i32> <i32 6, i32 7, i32 8>
; CHECK-NEXT: [[TMP1:%.*]] = extractelement <3 x double> [[SPLIT]], i64 0
; CHECK-NEXT: [[TMP2:%.*]] = insertelement <3 x double> poison, double [[TMP1]], i64 0
; CHECK-NEXT: [[TMP2:%.*]] = insertelement <3 x double> undef, double [[TMP1]], i64 0
; CHECK-NEXT: [[TMP3:%.*]] = extractelement <3 x double> [[SPLIT1]], i64 0
; CHECK-NEXT: [[TMP4:%.*]] = insertelement <3 x double> [[TMP2]], double [[TMP3]], i64 1
; CHECK-NEXT: [[TMP5:%.*]] = extractelement <3 x double> [[SPLIT2]], i64 0
; CHECK-NEXT: [[TMP6:%.*]] = insertelement <3 x double> [[TMP4]], double [[TMP5]], i64 2
; CHECK-NEXT: [[TMP7:%.*]] = extractelement <3 x double> [[SPLIT]], i64 1
; CHECK-NEXT: [[TMP8:%.*]] = insertelement <3 x double> poison, double [[TMP7]], i64 0
; CHECK-NEXT: [[TMP8:%.*]] = insertelement <3 x double> undef, double [[TMP7]], i64 0
; CHECK-NEXT: [[TMP9:%.*]] = extractelement <3 x double> [[SPLIT1]], i64 1
; CHECK-NEXT: [[TMP10:%.*]] = insertelement <3 x double> [[TMP8]], double [[TMP9]], i64 1
; CHECK-NEXT: [[TMP11:%.*]] = extractelement <3 x double> [[SPLIT2]], i64 1
; CHECK-NEXT: [[TMP12:%.*]] = insertelement <3 x double> [[TMP10]], double [[TMP11]], i64 2
; CHECK-NEXT: [[TMP13:%.*]] = extractelement <3 x double> [[SPLIT]], i64 2
; CHECK-NEXT: [[TMP14:%.*]] = insertelement <3 x double> poison, double [[TMP13]], i64 0
; CHECK-NEXT: [[TMP14:%.*]] = insertelement <3 x double> undef, double [[TMP13]], i64 0
; CHECK-NEXT: [[TMP15:%.*]] = extractelement <3 x double> [[SPLIT1]], i64 2
; CHECK-NEXT: [[TMP16:%.*]] = insertelement <3 x double> [[TMP14]], double [[TMP15]], i64 1
; CHECK-NEXT: [[TMP17:%.*]] = extractelement <3 x double> [[SPLIT2]], i64 2
Expand Down
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