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Port IRBuilder::CreateVectorSplat

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This commit is contained in:
Seo Sanghyeon 2013-05-02 16:59:26 +09:00
parent 154f3b00e0
commit 8e0c6fa5b6
2 changed files with 20 additions and 6 deletions
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20
src/librustc/middle/trans/build.rs
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@ -963,20 +963,28 @@ pub fn ExtractElement(cx: block, VecVal: ValueRef, Index: ValueRef) ->
}
pub fn InsertElement(cx: block, VecVal: ValueRef, EltVal: ValueRef,
Index: ValueRef) {
Index: ValueRef) -> ValueRef {
unsafe {
if cx.unreachable { return; }
if cx.unreachable { return llvm::LLVMGetUndef(T_nil()); }
count_insn(cx, "insertelement");
llvm::LLVMBuildInsertElement(B(cx), VecVal, EltVal, Index, noname());
llvm::LLVMBuildInsertElement(B(cx), VecVal, EltVal, Index, noname())
}
}
pub fn ShuffleVector(cx: block, V1: ValueRef, V2: ValueRef,
Mask: ValueRef) {
Mask: ValueRef) -> ValueRef {
unsafe {
if cx.unreachable { return; }
if cx.unreachable { return llvm::LLVMGetUndef(T_nil()); }
count_insn(cx, "shufflevector");
llvm::LLVMBuildShuffleVector(B(cx), V1, V2, Mask, noname());
llvm::LLVMBuildShuffleVector(B(cx), V1, V2, Mask, noname())
}
}
pub fn VectorSplat(cx: block, NumElts: uint, EltVal: ValueRef) -> ValueRef {
unsafe {
let Undef = llvm::LLVMGetUndef(T_vector(val_ty(EltVal), NumElts));
let VecVal = InsertElement(cx, Undef, EltVal, C_i32(0));
ShuffleVector(cx, VecVal, Undef, C_null(T_vector(T_i32(), NumElts)))
}
}

6
src/librustc/middle/trans/common.rs
View File

@ -984,6 +984,12 @@ pub fn T_array(t: TypeRef, n: uint) -> TypeRef {
}
}
pub fn T_vector(t: TypeRef, n: uint) -> TypeRef {
unsafe {
return llvm::LLVMVectorType(t, n as c_uint);
}
}
// Interior vector.
pub fn T_vec2(targ_cfg: @session::config, t: TypeRef) -> TypeRef {
return T_struct(~[T_int(targ_cfg), // fill