| // RUN: %clang_cc1 -triple dxil-pc-shadermodel6.7-library -disable-llvm-passes \ |
| // RUN: -emit-llvm -finclude-default-header -fmatrix-memory-layout=column-major \ |
| // RUN: -o - %s | FileCheck %s --check-prefixes=CHECK,COL |
| // RUN: %clang_cc1 -triple dxil-pc-shadermodel6.7-library -disable-llvm-passes \ |
| // RUN: -emit-llvm -finclude-default-header -fmatrix-memory-layout=row-major \ |
| // RUN: -o - %s | FileCheck %s --check-prefixes=CHECK,ROW |
| |
| // For a float3x2 matrix (3 rows, 2 columns): |
| // Column-major flat vector: [_11, _21, _31, _12, _22, _32] |
| // idx: 0 1 2 3 4 5 |
| // Row-major flat vector: [_11, _12, _21, _22, _31, _32] |
| // idx: 0 1 2 3 4 5 |
| |
| |
| // CHECK-LABEL: define {{.*}} @_Z16getScalarElementu11matrix_typeILm3ELm2EfE |
| // CHECK: load <6 x float>, ptr |
| // COL-NEXT: extractelement <6 x float> {{.*}}, i32 4 |
| // ROW-NEXT: extractelement <6 x float> {{.*}}, i32 3 |
| export float getScalarElement(float3x2 M) { |
| return M._22; |
| } |
| |
| // CHECK-LABEL: define {{.*}} @_Z18getSwizzleElementsu11matrix_typeILm3ELm2EfE |
| // CHECK: load <6 x float>, ptr |
| // COL-NEXT: shufflevector <6 x float> {{.*}}, <6 x float> poison, <4 x i32> <i32 0, i32 3, i32 1, i32 4> |
| // ROW-NEXT: shufflevector <6 x float> {{.*}}, <6 x float> poison, <4 x i32> <i32 0, i32 1, i32 2, i32 3> |
| export float4 getSwizzleElements(float3x2 M) { |
| return M._11_12_21_22; |
| } |
| |
| // CHECK-LABEL: define {{.*}} @_Z22getZeroBasedSwizzleEltu11matrix_typeILm3ELm2EfE |
| // CHECK: load <6 x float>, ptr |
| // COL-NEXT: shufflevector <6 x float> {{.*}}, <6 x float> poison, <2 x i32> <i32 1, i32 3> |
| // ROW-NEXT: shufflevector <6 x float> {{.*}}, <6 x float> poison, <2 x i32> <i32 2, i32 1> |
| export float2 getZeroBasedSwizzleElt(float3x2 M) { |
| return M._m10_m01; |
| } |
