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| author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
|---|---|---|
| committer | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
| commit | be1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch) | |
| tree | 1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/CodeGen/builtinshufflevector2.c | |
| parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
| parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) | |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/CodeGen/builtinshufflevector2.c')
| -rw-r--r-- | clang/test/CodeGen/builtinshufflevector2.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/clang/test/CodeGen/builtinshufflevector2.c b/clang/test/CodeGen/builtinshufflevector2.c new file mode 100644 index 0000000..faf7a3e --- /dev/null +++ b/clang/test/CodeGen/builtinshufflevector2.c @@ -0,0 +1,35 @@ +// 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: 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]], i32 0 +// CHECK: [[E:%.*]] = extractelement <4 x float> [[X:%.*]], i32 [[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]], i32 0 + +// CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i32 1 +// CHECK: [[E:%.*]] = extractelement <4 x float> [[X]], i32 [[I]] +// CHECK: [[V:%.*]] = insertelement <4 x float> [[V]], float [[E]], i32 1 +// CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i32 2 +// CHECK: [[E:%.*]] = extractelement <4 x float> [[X]], i32 [[I]] +// CHECK: [[V:%.*]] = insertelement <4 x float> [[V]], float [[E]], i32 2 +// CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i32 3 +// CHECK: [[E:%.*]] = extractelement <4 x float> [[X]], i32 [[I]] +// CHECK: [[V:%.*]] = insertelement <4 x float> [[V]], float [[E]], i32 3 +// CHECK: store <4 x float> [[V]], <4 x float>* {{%.*}}, + *A = __builtin_shufflevector( x, mask ); +} + +// CHECK: define void @clang_shufflevector_v_v_c( +void clang_shufflevector_v_v_c( float4* A, float4 x, float4 y, uint4 mask ) { +// 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 ); +} |