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llvm-project/clang/test/CodeGenHLSL/BasicFeatures/MatrixSingleSubscriptSetter.hlsl
Deric C. 255af949a7
[HLSL][Matrix] Update indexed matrix elements individually (#176216) 
Fixes #174629

This PR is similar to that of #169144 but for matrices.

When storing to a matrix element or matrix row, `insertelement`
instructions have been replaced by GEPs followed by stores to individual
matrix elements. There is no longer storing of the entire matrix to
memory all at once, thus avoiding data races when writing to independent
matrix elements from multiple threads.
2026-01-16 13:05:52 -08:00

234 lines
16 KiB
HLSL
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// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 6
// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.7-library -disable-llvm-passes -emit-llvm -finclude-default-header -o - %s | FileCheck %s
// CHECK-LABEL: define hidden void @_Z9setMatrixRu11matrix_typeILm4ELm4EfEiDv4_f(
// CHECK-SAME: ptr noalias noundef nonnull align 4 dereferenceable(64) [[M:%.*]], i32 noundef [[INDEX:%.*]], <4 x float> noundef nofpclass(nan inf) [[V:%.*]]) #[[ATTR0:[0-9]+]] {
// CHECK-NEXT: [[ENTRY:.*:]]
// CHECK-NEXT: [[M_ADDR:%.*]] = alloca ptr, align 4
// CHECK-NEXT: [[INDEX_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: [[V_ADDR:%.*]] = alloca <4 x float>, align 16
// CHECK-NEXT: store ptr [[M]], ptr [[M_ADDR]], align 4
// CHECK-NEXT: store i32 [[INDEX]], ptr [[INDEX_ADDR]], align 4
// CHECK-NEXT: store <4 x float> [[V]], ptr [[V_ADDR]], align 16
// CHECK-NEXT: [[TMP0:%.*]] = load <4 x float>, ptr [[V_ADDR]], align 16
// CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[M_ADDR]], align 4, !nonnull [[META3:![0-9]+]], !align [[META4:![0-9]+]]
// CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[INDEX_ADDR]], align 4
// CHECK-NEXT: [[TMP3:%.*]] = add i32 0, [[TMP2]]
// CHECK-NEXT: [[TMP4:%.*]] = extractelement <4 x float> [[TMP0]], i32 0
// CHECK-NEXT: [[TMP5:%.*]] = getelementptr <16 x float>, ptr [[TMP1]], i32 0, i32 [[TMP3]]
// CHECK-NEXT: store float [[TMP4]], ptr [[TMP5]], align 4
// CHECK-NEXT: [[TMP6:%.*]] = add i32 4, [[TMP2]]
// CHECK-NEXT: [[TMP7:%.*]] = extractelement <4 x float> [[TMP0]], i32 1
// CHECK-NEXT: [[TMP8:%.*]] = getelementptr <16 x float>, ptr [[TMP1]], i32 0, i32 [[TMP6]]
// CHECK-NEXT: store float [[TMP7]], ptr [[TMP8]], align 4
// CHECK-NEXT: [[TMP9:%.*]] = add i32 8, [[TMP2]]
// CHECK-NEXT: [[TMP10:%.*]] = extractelement <4 x float> [[TMP0]], i32 2
// CHECK-NEXT: [[TMP11:%.*]] = getelementptr <16 x float>, ptr [[TMP1]], i32 0, i32 [[TMP9]]
// CHECK-NEXT: store float [[TMP10]], ptr [[TMP11]], align 4
// CHECK-NEXT: [[TMP12:%.*]] = add i32 12, [[TMP2]]
// CHECK-NEXT: [[TMP13:%.*]] = extractelement <4 x float> [[TMP0]], i32 3
// CHECK-NEXT: [[TMP14:%.*]] = getelementptr <16 x float>, ptr [[TMP1]], i32 0, i32 [[TMP12]]
// CHECK-NEXT: store float [[TMP13]], ptr [[TMP14]], align 4
// CHECK-NEXT: ret void
//
void setMatrix(out float4x4 M, int index, float4 V) {
M[index] = V;
}
// CHECK-LABEL: define hidden void @_Z15setMatrixScalarRu11matrix_typeILm2ELm1EfEif(
// CHECK-SAME: ptr noalias noundef nonnull align 4 dereferenceable(8) [[M:%.*]], i32 noundef [[INDEX:%.*]], float noundef nofpclass(nan inf) [[S:%.*]]) #[[ATTR0]] {
// CHECK-NEXT: [[ENTRY:.*:]]
// CHECK-NEXT: [[M_ADDR:%.*]] = alloca ptr, align 4
// CHECK-NEXT: [[INDEX_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: [[S_ADDR:%.*]] = alloca float, align 4
// CHECK-NEXT: store ptr [[M]], ptr [[M_ADDR]], align 4
// CHECK-NEXT: store i32 [[INDEX]], ptr [[INDEX_ADDR]], align 4
// CHECK-NEXT: store float [[S]], ptr [[S_ADDR]], align 4
// CHECK-NEXT: [[TMP0:%.*]] = load float, ptr [[S_ADDR]], align 4
// CHECK-NEXT: [[SPLAT_SPLATINSERT:%.*]] = insertelement <1 x float> poison, float [[TMP0]], i64 0
// CHECK-NEXT: [[SPLAT_SPLAT:%.*]] = shufflevector <1 x float> [[SPLAT_SPLATINSERT]], <1 x float> poison, <1 x i32> zeroinitializer
// CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[M_ADDR]], align 4, !nonnull [[META3]], !align [[META4]]
// CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[INDEX_ADDR]], align 4
// CHECK-NEXT: [[TMP3:%.*]] = add i32 0, [[TMP2]]
// CHECK-NEXT: [[TMP4:%.*]] = extractelement <1 x float> [[SPLAT_SPLAT]], i32 0
// CHECK-NEXT: [[TMP5:%.*]] = getelementptr <2 x float>, ptr [[TMP1]], i32 0, i32 [[TMP3]]
// CHECK-NEXT: store float [[TMP4]], ptr [[TMP5]], align 4
// CHECK-NEXT: ret void
//
void setMatrixScalar(out float2x1 M, int index, float S) {
M[index] = S;
}
// CHECK-LABEL: define hidden void @_Z13setBoolMatrixRu11matrix_typeILm4ELm4EbEiDv4_b(
// CHECK-SAME: ptr noalias noundef nonnull align 4 dereferenceable(64) [[M:%.*]], i32 noundef [[INDEX:%.*]], <4 x i1> noundef [[V:%.*]]) #[[ATTR0]] {
// CHECK-NEXT: [[ENTRY:.*:]]
// CHECK-NEXT: [[M_ADDR:%.*]] = alloca ptr, align 4
// CHECK-NEXT: [[INDEX_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: [[V_ADDR:%.*]] = alloca <4 x i32>, align 16
// CHECK-NEXT: store ptr [[M]], ptr [[M_ADDR]], align 4
// CHECK-NEXT: store i32 [[INDEX]], ptr [[INDEX_ADDR]], align 4
// CHECK-NEXT: [[TMP0:%.*]] = zext <4 x i1> [[V]] to <4 x i32>
// CHECK-NEXT: store <4 x i32> [[TMP0]], ptr [[V_ADDR]], align 16
// CHECK-NEXT: [[TMP1:%.*]] = load <4 x i32>, ptr [[V_ADDR]], align 16
// CHECK-NEXT: [[LOADEDV:%.*]] = trunc <4 x i32> [[TMP1]] to <4 x i1>
// CHECK-NEXT: [[TMP2:%.*]] = load ptr, ptr [[M_ADDR]], align 4, !nonnull [[META3]], !align [[META4]]
// CHECK-NEXT: [[TMP3:%.*]] = load i32, ptr [[INDEX_ADDR]], align 4
// CHECK-NEXT: [[TMP4:%.*]] = zext <4 x i1> [[LOADEDV]] to <4 x i32>
// CHECK-NEXT: [[TMP5:%.*]] = add i32 0, [[TMP3]]
// CHECK-NEXT: [[TMP6:%.*]] = extractelement <4 x i32> [[TMP4]], i32 0
// CHECK-NEXT: [[TMP7:%.*]] = getelementptr <16 x i32>, ptr [[TMP2]], i32 0, i32 [[TMP5]]
// CHECK-NEXT: store i32 [[TMP6]], ptr [[TMP7]], align 4
// CHECK-NEXT: [[TMP8:%.*]] = add i32 4, [[TMP3]]
// CHECK-NEXT: [[TMP9:%.*]] = extractelement <4 x i32> [[TMP4]], i32 1
// CHECK-NEXT: [[TMP10:%.*]] = getelementptr <16 x i32>, ptr [[TMP2]], i32 0, i32 [[TMP8]]
// CHECK-NEXT: store i32 [[TMP9]], ptr [[TMP10]], align 4
// CHECK-NEXT: [[TMP11:%.*]] = add i32 8, [[TMP3]]
// CHECK-NEXT: [[TMP12:%.*]] = extractelement <4 x i32> [[TMP4]], i32 2
// CHECK-NEXT: [[TMP13:%.*]] = getelementptr <16 x i32>, ptr [[TMP2]], i32 0, i32 [[TMP11]]
// CHECK-NEXT: store i32 [[TMP12]], ptr [[TMP13]], align 4
// CHECK-NEXT: [[TMP14:%.*]] = add i32 12, [[TMP3]]
// CHECK-NEXT: [[TMP15:%.*]] = extractelement <4 x i32> [[TMP4]], i32 3
// CHECK-NEXT: [[TMP16:%.*]] = getelementptr <16 x i32>, ptr [[TMP2]], i32 0, i32 [[TMP14]]
// CHECK-NEXT: store i32 [[TMP15]], ptr [[TMP16]], align 4
// CHECK-NEXT: ret void
//
void setBoolMatrix(out bool4x4 M, int index, bool4 V) {
M[index] = V;
}
// CHECK-LABEL: define hidden void @_Z19setBoolMatrixScalarRu11matrix_typeILm2ELm1EbEib(
// CHECK-SAME: ptr noalias noundef nonnull align 4 dereferenceable(8) [[M:%.*]], i32 noundef [[INDEX:%.*]], i1 noundef [[S:%.*]]) #[[ATTR0]] {
// CHECK-NEXT: [[ENTRY:.*:]]
// CHECK-NEXT: [[M_ADDR:%.*]] = alloca ptr, align 4
// CHECK-NEXT: [[INDEX_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: [[S_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: store ptr [[M]], ptr [[M_ADDR]], align 4
// CHECK-NEXT: store i32 [[INDEX]], ptr [[INDEX_ADDR]], align 4
// CHECK-NEXT: [[STOREDV:%.*]] = zext i1 [[S]] to i32
// CHECK-NEXT: store i32 [[STOREDV]], ptr [[S_ADDR]], align 4
// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[S_ADDR]], align 4
// CHECK-NEXT: [[LOADEDV:%.*]] = trunc i32 [[TMP0]] to i1
// CHECK-NEXT: [[SPLAT_SPLATINSERT:%.*]] = insertelement <1 x i1> poison, i1 [[LOADEDV]], i64 0
// CHECK-NEXT: [[SPLAT_SPLAT:%.*]] = shufflevector <1 x i1> [[SPLAT_SPLATINSERT]], <1 x i1> poison, <1 x i32> zeroinitializer
// CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[M_ADDR]], align 4, !nonnull [[META3]], !align [[META4]]
// CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[INDEX_ADDR]], align 4
// CHECK-NEXT: [[TMP3:%.*]] = zext <1 x i1> [[SPLAT_SPLAT]] to <1 x i32>
// CHECK-NEXT: [[TMP4:%.*]] = add i32 0, [[TMP2]]
// CHECK-NEXT: [[TMP5:%.*]] = extractelement <1 x i32> [[TMP3]], i32 0
// CHECK-NEXT: [[TMP6:%.*]] = getelementptr <2 x i32>, ptr [[TMP1]], i32 0, i32 [[TMP4]]
// CHECK-NEXT: store i32 [[TMP5]], ptr [[TMP6]], align 4
// CHECK-NEXT: ret void
//
void setBoolMatrixScalar(out bool2x1 M, int index, bool S) {
M[index] = S;
}
// CHECK-LABEL: define hidden void @_Z19setMatrixConstIndexRu11matrix_typeILm4ELm4EiES_(
// CHECK-SAME: ptr noalias noundef nonnull align 4 dereferenceable(64) [[M:%.*]], <16 x i32> noundef [[N:%.*]]) #[[ATTR0]] {
// CHECK-NEXT: [[ENTRY:.*:]]
// CHECK-NEXT: [[M_ADDR:%.*]] = alloca ptr, align 4
// CHECK-NEXT: [[N_ADDR:%.*]] = alloca [16 x i32], align 4
// CHECK-NEXT: store ptr [[M]], ptr [[M_ADDR]], align 4
// CHECK-NEXT: store <16 x i32> [[N]], ptr [[N_ADDR]], align 4
// CHECK-NEXT: [[TMP0:%.*]] = load <16 x i32>, ptr [[N_ADDR]], align 4
// CHECK-NEXT: [[MATRIX_ELEM:%.*]] = extractelement <16 x i32> [[TMP0]], i32 3
// CHECK-NEXT: [[MATRIX_ROW_INS:%.*]] = insertelement <4 x i32> poison, i32 [[MATRIX_ELEM]], i32 0
// CHECK-NEXT: [[MATRIX_ELEM1:%.*]] = extractelement <16 x i32> [[TMP0]], i32 7
// CHECK-NEXT: [[MATRIX_ROW_INS2:%.*]] = insertelement <4 x i32> [[MATRIX_ROW_INS]], i32 [[MATRIX_ELEM1]], i32 1
// CHECK-NEXT: [[MATRIX_ELEM3:%.*]] = extractelement <16 x i32> [[TMP0]], i32 11
// CHECK-NEXT: [[MATRIX_ROW_INS4:%.*]] = insertelement <4 x i32> [[MATRIX_ROW_INS2]], i32 [[MATRIX_ELEM3]], i32 2
// CHECK-NEXT: [[MATRIX_ELEM5:%.*]] = extractelement <16 x i32> [[TMP0]], i32 15
// CHECK-NEXT: [[MATRIX_ROW_INS6:%.*]] = insertelement <4 x i32> [[MATRIX_ROW_INS4]], i32 [[MATRIX_ELEM5]], i32 3
// CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[M_ADDR]], align 4, !nonnull [[META3]], !align [[META4]]
// CHECK-NEXT: [[TMP2:%.*]] = extractelement <4 x i32> [[MATRIX_ROW_INS6]], i32 0
// CHECK-NEXT: [[TMP3:%.*]] = getelementptr <16 x i32>, ptr [[TMP1]], i32 0, i32 0
// CHECK-NEXT: store i32 [[TMP2]], ptr [[TMP3]], align 4
// CHECK-NEXT: [[TMP4:%.*]] = extractelement <4 x i32> [[MATRIX_ROW_INS6]], i32 1
// CHECK-NEXT: [[TMP5:%.*]] = getelementptr <16 x i32>, ptr [[TMP1]], i32 0, i32 4
// CHECK-NEXT: store i32 [[TMP4]], ptr [[TMP5]], align 4
// CHECK-NEXT: [[TMP6:%.*]] = extractelement <4 x i32> [[MATRIX_ROW_INS6]], i32 2
// CHECK-NEXT: [[TMP7:%.*]] = getelementptr <16 x i32>, ptr [[TMP1]], i32 0, i32 8
// CHECK-NEXT: store i32 [[TMP6]], ptr [[TMP7]], align 4
// CHECK-NEXT: [[TMP8:%.*]] = extractelement <4 x i32> [[MATRIX_ROW_INS6]], i32 3
// CHECK-NEXT: [[TMP9:%.*]] = getelementptr <16 x i32>, ptr [[TMP1]], i32 0, i32 12
// CHECK-NEXT: store i32 [[TMP8]], ptr [[TMP9]], align 4
// CHECK-NEXT: [[TMP10:%.*]] = load <16 x i32>, ptr [[N_ADDR]], align 4
// CHECK-NEXT: [[MATRIX_ELEM7:%.*]] = extractelement <16 x i32> [[TMP10]], i32 2
// CHECK-NEXT: [[MATRIX_ROW_INS8:%.*]] = insertelement <4 x i32> poison, i32 [[MATRIX_ELEM7]], i32 0
// CHECK-NEXT: [[MATRIX_ELEM9:%.*]] = extractelement <16 x i32> [[TMP10]], i32 6
// CHECK-NEXT: [[MATRIX_ROW_INS10:%.*]] = insertelement <4 x i32> [[MATRIX_ROW_INS8]], i32 [[MATRIX_ELEM9]], i32 1
// CHECK-NEXT: [[MATRIX_ELEM11:%.*]] = extractelement <16 x i32> [[TMP10]], i32 10
// CHECK-NEXT: [[MATRIX_ROW_INS12:%.*]] = insertelement <4 x i32> [[MATRIX_ROW_INS10]], i32 [[MATRIX_ELEM11]], i32 2
// CHECK-NEXT: [[MATRIX_ELEM13:%.*]] = extractelement <16 x i32> [[TMP10]], i32 14
// CHECK-NEXT: [[MATRIX_ROW_INS14:%.*]] = insertelement <4 x i32> [[MATRIX_ROW_INS12]], i32 [[MATRIX_ELEM13]], i32 3
// CHECK-NEXT: [[TMP11:%.*]] = load ptr, ptr [[M_ADDR]], align 4, !nonnull [[META3]], !align [[META4]]
// CHECK-NEXT: [[TMP12:%.*]] = extractelement <4 x i32> [[MATRIX_ROW_INS14]], i32 0
// CHECK-NEXT: [[TMP13:%.*]] = getelementptr <16 x i32>, ptr [[TMP11]], i32 0, i32 1
// CHECK-NEXT: store i32 [[TMP12]], ptr [[TMP13]], align 4
// CHECK-NEXT: [[TMP14:%.*]] = extractelement <4 x i32> [[MATRIX_ROW_INS14]], i32 1
// CHECK-NEXT: [[TMP15:%.*]] = getelementptr <16 x i32>, ptr [[TMP11]], i32 0, i32 5
// CHECK-NEXT: store i32 [[TMP14]], ptr [[TMP15]], align 4
// CHECK-NEXT: [[TMP16:%.*]] = extractelement <4 x i32> [[MATRIX_ROW_INS14]], i32 2
// CHECK-NEXT: [[TMP17:%.*]] = getelementptr <16 x i32>, ptr [[TMP11]], i32 0, i32 9
// CHECK-NEXT: store i32 [[TMP16]], ptr [[TMP17]], align 4
// CHECK-NEXT: [[TMP18:%.*]] = extractelement <4 x i32> [[MATRIX_ROW_INS14]], i32 3
// CHECK-NEXT: [[TMP19:%.*]] = getelementptr <16 x i32>, ptr [[TMP11]], i32 0, i32 13
// CHECK-NEXT: store i32 [[TMP18]], ptr [[TMP19]], align 4
// CHECK-NEXT: [[TMP20:%.*]] = load <16 x i32>, ptr [[N_ADDR]], align 4
// CHECK-NEXT: [[MATRIX_ELEM15:%.*]] = extractelement <16 x i32> [[TMP20]], i32 1
// CHECK-NEXT: [[MATRIX_ROW_INS16:%.*]] = insertelement <4 x i32> poison, i32 [[MATRIX_ELEM15]], i32 0
// CHECK-NEXT: [[MATRIX_ELEM17:%.*]] = extractelement <16 x i32> [[TMP20]], i32 5
// CHECK-NEXT: [[MATRIX_ROW_INS18:%.*]] = insertelement <4 x i32> [[MATRIX_ROW_INS16]], i32 [[MATRIX_ELEM17]], i32 1
// CHECK-NEXT: [[MATRIX_ELEM19:%.*]] = extractelement <16 x i32> [[TMP20]], i32 9
// CHECK-NEXT: [[MATRIX_ROW_INS20:%.*]] = insertelement <4 x i32> [[MATRIX_ROW_INS18]], i32 [[MATRIX_ELEM19]], i32 2
// CHECK-NEXT: [[MATRIX_ELEM21:%.*]] = extractelement <16 x i32> [[TMP20]], i32 13
// CHECK-NEXT: [[MATRIX_ROW_INS22:%.*]] = insertelement <4 x i32> [[MATRIX_ROW_INS20]], i32 [[MATRIX_ELEM21]], i32 3
// CHECK-NEXT: [[TMP21:%.*]] = load ptr, ptr [[M_ADDR]], align 4, !nonnull [[META3]], !align [[META4]]
// CHECK-NEXT: [[TMP22:%.*]] = extractelement <4 x i32> [[MATRIX_ROW_INS22]], i32 0
// CHECK-NEXT: [[TMP23:%.*]] = getelementptr <16 x i32>, ptr [[TMP21]], i32 0, i32 2
// CHECK-NEXT: store i32 [[TMP22]], ptr [[TMP23]], align 4
// CHECK-NEXT: [[TMP24:%.*]] = extractelement <4 x i32> [[MATRIX_ROW_INS22]], i32 1
// CHECK-NEXT: [[TMP25:%.*]] = getelementptr <16 x i32>, ptr [[TMP21]], i32 0, i32 6
// CHECK-NEXT: store i32 [[TMP24]], ptr [[TMP25]], align 4
// CHECK-NEXT: [[TMP26:%.*]] = extractelement <4 x i32> [[MATRIX_ROW_INS22]], i32 2
// CHECK-NEXT: [[TMP27:%.*]] = getelementptr <16 x i32>, ptr [[TMP21]], i32 0, i32 10
// CHECK-NEXT: store i32 [[TMP26]], ptr [[TMP27]], align 4
// CHECK-NEXT: [[TMP28:%.*]] = extractelement <4 x i32> [[MATRIX_ROW_INS22]], i32 3
// CHECK-NEXT: [[TMP29:%.*]] = getelementptr <16 x i32>, ptr [[TMP21]], i32 0, i32 14
// CHECK-NEXT: store i32 [[TMP28]], ptr [[TMP29]], align 4
// CHECK-NEXT: [[TMP30:%.*]] = load <16 x i32>, ptr [[N_ADDR]], align 4
// CHECK-NEXT: [[MATRIX_ELEM23:%.*]] = extractelement <16 x i32> [[TMP30]], i32 0
// CHECK-NEXT: [[MATRIX_ROW_INS24:%.*]] = insertelement <4 x i32> poison, i32 [[MATRIX_ELEM23]], i32 0
// CHECK-NEXT: [[MATRIX_ELEM25:%.*]] = extractelement <16 x i32> [[TMP30]], i32 4
// CHECK-NEXT: [[MATRIX_ROW_INS26:%.*]] = insertelement <4 x i32> [[MATRIX_ROW_INS24]], i32 [[MATRIX_ELEM25]], i32 1
// CHECK-NEXT: [[MATRIX_ELEM27:%.*]] = extractelement <16 x i32> [[TMP30]], i32 8
// CHECK-NEXT: [[MATRIX_ROW_INS28:%.*]] = insertelement <4 x i32> [[MATRIX_ROW_INS26]], i32 [[MATRIX_ELEM27]], i32 2
// CHECK-NEXT: [[MATRIX_ELEM29:%.*]] = extractelement <16 x i32> [[TMP30]], i32 12
// CHECK-NEXT: [[MATRIX_ROW_INS30:%.*]] = insertelement <4 x i32> [[MATRIX_ROW_INS28]], i32 [[MATRIX_ELEM29]], i32 3
// CHECK-NEXT: [[TMP31:%.*]] = load ptr, ptr [[M_ADDR]], align 4, !nonnull [[META3]], !align [[META4]]
// CHECK-NEXT: [[TMP32:%.*]] = extractelement <4 x i32> [[MATRIX_ROW_INS30]], i32 0
// CHECK-NEXT: [[TMP33:%.*]] = getelementptr <16 x i32>, ptr [[TMP31]], i32 0, i32 3
// CHECK-NEXT: store i32 [[TMP32]], ptr [[TMP33]], align 4
// CHECK-NEXT: [[TMP34:%.*]] = extractelement <4 x i32> [[MATRIX_ROW_INS30]], i32 1
// CHECK-NEXT: [[TMP35:%.*]] = getelementptr <16 x i32>, ptr [[TMP31]], i32 0, i32 7
// CHECK-NEXT: store i32 [[TMP34]], ptr [[TMP35]], align 4
// CHECK-NEXT: [[TMP36:%.*]] = extractelement <4 x i32> [[MATRIX_ROW_INS30]], i32 2
// CHECK-NEXT: [[TMP37:%.*]] = getelementptr <16 x i32>, ptr [[TMP31]], i32 0, i32 11
// CHECK-NEXT: store i32 [[TMP36]], ptr [[TMP37]], align 4
// CHECK-NEXT: [[TMP38:%.*]] = extractelement <4 x i32> [[MATRIX_ROW_INS30]], i32 3
// CHECK-NEXT: [[TMP39:%.*]] = getelementptr <16 x i32>, ptr [[TMP31]], i32 0, i32 15
// CHECK-NEXT: store i32 [[TMP38]], ptr [[TMP39]], align 4
// CHECK-NEXT: ret void
//
void setMatrixConstIndex(out int4x4 M, int4x4 N ) {
M[0] = N[3];
M[1] = N[2];
M[2] = N[1];
M[3] = N[0];
}
//.
// CHECK: [[META3]] = !{}
// CHECK: [[META4]] = !{i64 4}
//.
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