| 1 | // RUN: %clang -emit-llvm -S -o - %s | FileCheck %s |
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| 2 | |
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| 3 | typedef float float4 __attribute__((ext_vector_type(4))); |
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| 4 | typedef unsigned int uint4 __attribute__((ext_vector_type(4))); |
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| 5 | |
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| 6 | // CHECK-LABEL: define {{.*}}void @clang_shufflevector_v_v( |
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| 7 | void clang_shufflevector_v_v( float4* A, float4 x, uint4 mask ) { |
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| 8 | // CHECK: [[MASK:%.*]] = and <4 x i32> {{%.*}}, <i32 3, i32 3, i32 3, i32 3> |
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| 9 | // CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i{{[0-9]+}} 0 |
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| 10 | // CHECK: [[E:%.*]] = extractelement <4 x float> [[X:%.*]], i{{[0-9]+}} [[I]] |
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| 11 | // |
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| 12 | // Here is where ToT Clang code generation makes a mistake. |
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| 13 | // It uses [[I]] as the insertion index instead of 0. |
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| 14 | // Similarly on the remaining insertelement. |
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| 15 | // CHECK: [[V:%[a-zA-Z0-9._]+]] = insertelement <4 x float> undef, float [[E]], i{{[0-9]+}} 0 |
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| 16 | |
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| 17 | // CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i{{[0-9]+}} 1 |
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| 18 | // CHECK: [[E:%.*]] = extractelement <4 x float> [[X]], i{{[0-9]+}} [[I]] |
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| 19 | // CHECK: [[V2:%.*]] = insertelement <4 x float> [[V]], float [[E]], i{{[0-9]+}} 1 |
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| 20 | // CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i{{[0-9]+}} 2 |
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| 21 | // CHECK: [[E:%.*]] = extractelement <4 x float> [[X]], i{{[0-9]+}} [[I]] |
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| 22 | // CHECK: [[V3:%.*]] = insertelement <4 x float> [[V2]], float [[E]], i{{[0-9]+}} 2 |
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| 23 | // CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i{{[0-9]+}} 3 |
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| 24 | // CHECK: [[E:%.*]] = extractelement <4 x float> [[X]], i{{[0-9]+}} [[I]] |
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| 25 | // CHECK: [[V4:%.*]] = insertelement <4 x float> [[V3]], float [[E]], i{{[0-9]+}} 3 |
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| 26 | // CHECK: store <4 x float> [[V4]], <4 x float>* {{%.*}}, |
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| 27 | *A = __builtin_shufflevector( x, mask ); |
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| 28 | } |
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| 29 | |
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| 30 | // CHECK-LABEL: define {{.*}}void @clang_shufflevector_v_v_c( |
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| 31 | void clang_shufflevector_v_v_c( float4* A, float4 x, float4 y) { |
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| 32 | // CHECK: [[V:%.*]] = shufflevector <4 x float> {{%.*}}, <4 x float> {{%.*}}, <4 x i32> <i32 0, i32 4, i32 1, i32 5> |
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| 33 | // CHECK: store <4 x float> [[V]], <4 x float>* {{%.*}} |
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| 34 | *A = __builtin_shufflevector( x, y, 0, 4, 1, 5 ); |
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| 35 | } |
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| 36 | |
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| 37 | // CHECK-LABEL: define {{.*}}void @clang_shufflevector_v_v_undef( |
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| 38 | void clang_shufflevector_v_v_undef( float4* A, float4 x, float4 y) { |
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| 39 | // CHECK: [[V:%.*]] = shufflevector <4 x float> {{%.*}}, <4 x float> {{%.*}}, <4 x i32> <i32 0, i32 4, i32 undef, i32 5> |
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| 40 | // CHECK: store <4 x float> [[V]], <4 x float>* {{%.*}} |
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| 41 | *A = __builtin_shufflevector( x, y, 0, 4, -1, 5 ); |
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| 42 | } |
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| 43 | |
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