radeonsi: partially revert "switch descriptors to i32 vectors"

It indeed breaks LLVM 3.4.2.

diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 9ff08a5..563365b 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -1989,6 +1989,7 @@ static void build_tex_intrinsic(const struct lp_build_tgsi_action * action,
                        emit_data->args, emit_data->arg_count,
                        LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
        } else {
+               LLVMTypeRef i8, v16i8, v32i8;
                const char *name;
 
                switch (opcode) {
@@ -2016,6 +2017,17 @@ static void build_tex_intrinsic(const struct lp_build_tgsi_action * action,
                        return;
                }
 
+               i8 = LLVMInt8TypeInContext(base->gallivm->context);
+               v16i8 = LLVMVectorType(i8, 16);
+               v32i8 = LLVMVectorType(i8, 32);
+
+               emit_data->args[1] = LLVMBuildBitCast(base->gallivm->builder,
+                                               emit_data->args[1], v32i8, "");
+               if (opcode != TGSI_OPCODE_TXF) {
+                       emit_data->args[2] = LLVMBuildBitCast(base->gallivm->builder,
+                                               emit_data->args[2], v16i8, "");
+               }
+
                sprintf(intr_name, "%s.v%ui32", name,
                        LLVMGetVectorSize(LLVMTypeOf(emit_data->args[0])));