builtinshufflevector2.c revision c568f1e98938584c0ef0b12ae5018ff7d90a4072
187b9c0311f96c35109204a49d4bda909aa72b62aEli Friedman// RUN: %clang -emit-llvm -S -o - %s | FileCheck %s 287b9c0311f96c35109204a49d4bda909aa72b62aEli Friedman 387b9c0311f96c35109204a49d4bda909aa72b62aEli Friedmantypedef float float4 __attribute__((ext_vector_type(4))); 487b9c0311f96c35109204a49d4bda909aa72b62aEli Friedmantypedef unsigned int uint4 __attribute__((ext_vector_type(4))); 587b9c0311f96c35109204a49d4bda909aa72b62aEli Friedman 693ab6bf534fb6c26563c00f28a8fc5581bb71dfdStephen Lin// CHECK-LABEL: define void @clang_shufflevector_v_v( 787b9c0311f96c35109204a49d4bda909aa72b62aEli Friedmanvoid clang_shufflevector_v_v( float4* A, float4 x, uint4 mask ) { 887b9c0311f96c35109204a49d4bda909aa72b62aEli Friedman// CHECK: [[MASK:%.*]] = and <4 x i32> {{%.*}}, <i32 3, i32 3, i32 3, i32 3> 9c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines// CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i{{[0-9]+}} 0 10c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines// CHECK: [[E:%.*]] = extractelement <4 x float> [[X:%.*]], i{{[0-9]+}} [[I]] 1187b9c0311f96c35109204a49d4bda909aa72b62aEli Friedman// 1287b9c0311f96c35109204a49d4bda909aa72b62aEli Friedman// Here is where ToT Clang code generation makes a mistake. 1387b9c0311f96c35109204a49d4bda909aa72b62aEli Friedman// It uses [[I]] as the insertion index instead of 0. 1487b9c0311f96c35109204a49d4bda909aa72b62aEli Friedman// Similarly on the remaining insertelement. 15c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines// CHECK: [[V:%[a-zA-Z0-9._]+]] = insertelement <4 x float> undef, float [[E]], i{{[0-9]+}} 0 1687b9c0311f96c35109204a49d4bda909aa72b62aEli Friedman 17c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines// CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i{{[0-9]+}} 1 18c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines// CHECK: [[E:%.*]] = extractelement <4 x float> [[X]], i{{[0-9]+}} [[I]] 19c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines// CHECK: [[V2:%.*]] = insertelement <4 x float> [[V]], float [[E]], i{{[0-9]+}} 1 20c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines// CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i{{[0-9]+}} 2 21c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines// CHECK: [[E:%.*]] = extractelement <4 x float> [[X]], i{{[0-9]+}} [[I]] 22c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines// CHECK: [[V3:%.*]] = insertelement <4 x float> [[V2]], float [[E]], i{{[0-9]+}} 2 23c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines// CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i{{[0-9]+}} 3 24c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines// CHECK: [[E:%.*]] = extractelement <4 x float> [[X]], i{{[0-9]+}} [[I]] 25c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines// CHECK: [[V4:%.*]] = insertelement <4 x float> [[V3]], float [[E]], i{{[0-9]+}} 3 26ac5586591aacfe86e14aab3d2524a2d5b936efd4Eli Bendersky// CHECK: store <4 x float> [[V4]], <4 x float>* {{%.*}}, 2787b9c0311f96c35109204a49d4bda909aa72b62aEli Friedman *A = __builtin_shufflevector( x, mask ); 2887b9c0311f96c35109204a49d4bda909aa72b62aEli Friedman} 2987b9c0311f96c35109204a49d4bda909aa72b62aEli Friedman 3093ab6bf534fb6c26563c00f28a8fc5581bb71dfdStephen Lin// CHECK-LABEL: define void @clang_shufflevector_v_v_c( 316f4f8083931a92f9959168d4430da7ddf9183100Craig Toppervoid clang_shufflevector_v_v_c( float4* A, float4 x, float4 y) { 3287b9c0311f96c35109204a49d4bda909aa72b62aEli Friedman// CHECK: [[V:%.*]] = shufflevector <4 x float> {{%.*}}, <4 x float> {{%.*}}, <4 x i32> <i32 0, i32 4, i32 1, i32 5> 3387b9c0311f96c35109204a49d4bda909aa72b62aEli Friedman// CHECK: store <4 x float> [[V]], <4 x float>* {{%.*}} 3487b9c0311f96c35109204a49d4bda909aa72b62aEli Friedman *A = __builtin_shufflevector( x, y, 0, 4, 1, 5 ); 3587b9c0311f96c35109204a49d4bda909aa72b62aEli Friedman} 366f4f8083931a92f9959168d4430da7ddf9183100Craig Topper 3793ab6bf534fb6c26563c00f28a8fc5581bb71dfdStephen Lin// CHECK-LABEL: define void @clang_shufflevector_v_v_undef( 386f4f8083931a92f9959168d4430da7ddf9183100Craig Toppervoid clang_shufflevector_v_v_undef( float4* A, float4 x, float4 y) { 396f4f8083931a92f9959168d4430da7ddf9183100Craig Topper// CHECK: [[V:%.*]] = shufflevector <4 x float> {{%.*}}, <4 x float> {{%.*}}, <4 x i32> <i32 0, i32 4, i32 undef, i32 5> 406f4f8083931a92f9959168d4430da7ddf9183100Craig Topper// CHECK: store <4 x float> [[V]], <4 x float>* {{%.*}} 416f4f8083931a92f9959168d4430da7ddf9183100Craig Topper *A = __builtin_shufflevector( x, y, 0, 4, -1, 5 ); 426f4f8083931a92f9959168d4430da7ddf9183100Craig Topper} 43