You don't need this helper. You can just use LLVMBuildTrunc.
Marek
On Tue, Feb 6, 2018 at 5:58 AM, Timothy Arceri <tarc...@itsqueeze.com> wrote:
> This will be used in the following commits.
> ---
> src/amd/common/ac_llvm_build.c | 8 ++++++++
> src/amd/common/ac_llvm_build.h | 3 +++
> src/amd/common/ac_nir_to_llvm.c | 6 +-----
> 3 files changed, 12 insertions(+), 5 deletions(-)
>
> diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
> index a86ba962fa..6375b106f7 100644
> --- a/src/amd/common/ac_llvm_build.c
> +++ b/src/amd/common/ac_llvm_build.c
> @@ -1992,6 +1992,14 @@ LLVMValueRef ac_find_lsb(struct ac_llvm_context *ctx,
> LLVMConstInt(ctx->i32, -1, 0), lsb, "");
> }
>
> +LLVMValueRef ac_unpack_64_2x32_split_x(struct ac_llvm_context *ctx,
> + LLVMValueRef src0)
> +{
> + LLVMValueRef tmp = LLVMBuildBitCast(ctx->builder, src0,
> + ctx->v2i32, "");
> + return LLVMBuildExtractElement(ctx->builder, tmp, ctx->i32_0, "");
> +}
> +
> LLVMTypeRef ac_array_in_const_addr_space(LLVMTypeRef elem_type)
> {
> return LLVMPointerType(LLVMArrayType(elem_type, 0),
> diff --git a/src/amd/common/ac_llvm_build.h b/src/amd/common/ac_llvm_build.h
> index 47c843fb4b..78991b3e99 100644
> --- a/src/amd/common/ac_llvm_build.h
> +++ b/src/amd/common/ac_llvm_build.h
> @@ -348,6 +348,9 @@ LLVMValueRef ac_find_lsb(struct ac_llvm_context *ctx,
> LLVMTypeRef dst_type,
> LLVMValueRef src0);
>
> +LLVMValueRef ac_unpack_64_2x32_split_x(struct ac_llvm_context *ctx,
> + LLVMValueRef src0);
> +
> LLVMTypeRef ac_array_in_const_addr_space(LLVMTypeRef elem_type);
>
> #ifdef __cplusplus
> diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
> index 9a9db2dce9..ac4af12b3e 100644
> --- a/src/amd/common/ac_nir_to_llvm.c
> +++ b/src/amd/common/ac_nir_to_llvm.c
> @@ -2042,11 +2042,7 @@ static void visit_alu(struct ac_nir_context *ctx,
> const nir_alu_instr *instr)
>
> case nir_op_unpack_64_2x32_split_x: {
> assert(instr->src[0].src.ssa->num_components == 1);
> - LLVMValueRef tmp = LLVMBuildBitCast(ctx->ac.builder, src[0],
> - ctx->ac.v2i32,
> - "");
> - result = LLVMBuildExtractElement(ctx->ac.builder, tmp,
> - ctx->ac.i32_0, "");
> + result = ac_unpack_64_2x32_split_x(&ctx->ac, src[0]);
> break;
> }
>
> --
> 2.14.3
>
> _______________________________________________
> mesa-dev mailing list
> mesa-dev@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-dev
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev
