| // RUN: %clang -emit-llvm -S -o - %s | FileCheck %s |
| |
| typedef float float4 __attribute__((ext_vector_type(4))); |
| typedef unsigned int uint4 __attribute__((ext_vector_type(4))); |
| |
| // CHECK-LABEL: define void @clang_shufflevector_v_v( |
| void clang_shufflevector_v_v( float4* A, float4 x, uint4 mask ) { |
| // CHECK: [[MASK:%.*]] = and <4 x i32> {{%.*}}, <i32 3, i32 3, i32 3, i32 3> |
| // CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i{{[0-9]+}} 0 |
| // CHECK: [[E:%.*]] = extractelement <4 x float> [[X:%.*]], i{{[0-9]+}} [[I]] |
| // |
| // Here is where ToT Clang code generation makes a mistake. |
| // It uses [[I]] as the insertion index instead of 0. |
| // Similarly on the remaining insertelement. |
| // CHECK: [[V:%[a-zA-Z0-9._]+]] = insertelement <4 x float> undef, float [[E]], i{{[0-9]+}} 0 |
| |
| // CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i{{[0-9]+}} 1 |
| // CHECK: [[E:%.*]] = extractelement <4 x float> [[X]], i{{[0-9]+}} [[I]] |
| // CHECK: [[V2:%.*]] = insertelement <4 x float> [[V]], float [[E]], i{{[0-9]+}} 1 |
| // CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i{{[0-9]+}} 2 |
| // CHECK: [[E:%.*]] = extractelement <4 x float> [[X]], i{{[0-9]+}} [[I]] |
| // CHECK: [[V3:%.*]] = insertelement <4 x float> [[V2]], float [[E]], i{{[0-9]+}} 2 |
| // CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i{{[0-9]+}} 3 |
| // CHECK: [[E:%.*]] = extractelement <4 x float> [[X]], i{{[0-9]+}} [[I]] |
| // CHECK: [[V4:%.*]] = insertelement <4 x float> [[V3]], float [[E]], i{{[0-9]+}} 3 |
| // CHECK: store <4 x float> [[V4]], <4 x float>* {{%.*}}, |
| *A = __builtin_shufflevector( x, mask ); |
| } |
| |
| // CHECK-LABEL: define void @clang_shufflevector_v_v_c( |
| void clang_shufflevector_v_v_c( float4* A, float4 x, float4 y) { |
| // CHECK: [[V:%.*]] = shufflevector <4 x float> {{%.*}}, <4 x float> {{%.*}}, <4 x i32> <i32 0, i32 4, i32 1, i32 5> |
| // CHECK: store <4 x float> [[V]], <4 x float>* {{%.*}} |
| *A = __builtin_shufflevector( x, y, 0, 4, 1, 5 ); |
| } |
| |
| // CHECK-LABEL: define void @clang_shufflevector_v_v_undef( |
| void clang_shufflevector_v_v_undef( float4* A, float4 x, float4 y) { |
| // CHECK: [[V:%.*]] = shufflevector <4 x float> {{%.*}}, <4 x float> {{%.*}}, <4 x i32> <i32 0, i32 4, i32 undef, i32 5> |
| // CHECK: store <4 x float> [[V]], <4 x float>* {{%.*}} |
| *A = __builtin_shufflevector( x, y, 0, 4, -1, 5 ); |
| } |