How are you hitting this? The enclosing if is (need_swizzle ||
num_components != src_components) and if src_components =
num_components = 1, then need_swizzle should be false?
On Fri, Jan 20, 2017 at 4:03 AM, Dave Airlie <airl...@gmail.com> wrote:
> From: Dave Airlie <airl...@redhat.com>
>
> This gets hit with some geom shaders.
>
> Signed-off-by: Dave Airlie <airl...@redhat.com>
> ---
> src/amd/common/ac_nir_to_llvm.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
> index 92e2b44..97e352b 100644
> --- a/src/amd/common/ac_nir_to_llvm.c
> +++ b/src/amd/common/ac_nir_to_llvm.c
> @@ -844,7 +844,10 @@ static LLVMValueRef get_alu_src(struct
> nir_to_llvm_context *ctx,
> LLVMConstInt(ctx->i32, src.swizzle[2], false),
> LLVMConstInt(ctx->i32, src.swizzle[3], false)};
>
> - if (src_components > 1 && num_components == 1) {
> + if (src_components == 1 && num_components == 1) {
> + value = LLVMBuildExtractElement(ctx->builder, value,
> + masks[0], "");
> + } else if (src_components > 1 && num_components == 1) {
> value = LLVMBuildExtractElement(ctx->builder, value,
> masks[0], "");
> } else if (src_components == 1 && num_components > 1) {
> --
> 2.9.3
>
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