ac/nir: silence maybe-uninitialized warnings

These are likely false positives, but are also annoying because they
show up on every "make install", which causes ac_nir_to_llvm to be
rebuilt here. Initializing those variables to NULL should be harmless
even when unnecessary.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 664d83bd2ea484a40cbf6ff154297c15fcd3ee74..823ea428927bf886cc715edae59bfd12b7295be4 100644 (file)
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -1334,7 +1334,7 @@ static LLVMValueRef emit_f2f16(struct nir_to_llvm_context *ctx,
                               LLVMValueRef src0)
 {
        LLVMValueRef result;
-       LLVMValueRef cond;
+       LLVMValueRef cond = NULL;
 
        src0 = to_float(&ctx->ac, src0);
        result = LLVMBuildFPTrunc(ctx->builder, src0, ctx->f16, "");
@@ -2054,7 +2054,7 @@ static LLVMValueRef radv_lower_gather4_integer(struct ac_llvm_context *ctx,
        enum glsl_base_type stype = glsl_get_sampler_result_type(instr->texture->var->type);
        LLVMValueRef coord = args->addr;
        LLVMValueRef half_texel[2];
-       LLVMValueRef compare_cube_wa;
+       LLVMValueRef compare_cube_wa = NULL;
        LLVMValueRef result;
        int c;
        unsigned coord_vgpr_index = (unsigned)args->offset + (unsigned)args->compare;
@@ -2780,7 +2780,8 @@ static LLVMValueRef
 load_tcs_output(struct nir_to_llvm_context *ctx,
               nir_intrinsic_instr *instr)
 {
-       LLVMValueRef dw_addr, stride;
+       LLVMValueRef dw_addr;
+       LLVMValueRef stride = NULL;
        LLVMValueRef value[4], result;
        LLVMValueRef vertex_index = NULL;
        LLVMValueRef indir_index = NULL;
@@ -2819,7 +2820,8 @@ store_tcs_output(struct nir_to_llvm_context *ctx,
                 LLVMValueRef src,
                 unsigned writemask)
 {
-       LLVMValueRef stride, dw_addr;
+       LLVMValueRef dw_addr;
+       LLVMValueRef stride = NULL;
        LLVMValueRef buf_addr = NULL;
        LLVMValueRef vertex_index = NULL;
        LLVMValueRef indir_index = NULL;
@@ -3819,8 +3821,9 @@ static LLVMValueRef visit_interp(struct nir_to_llvm_context *ctx,
        LLVMValueRef interp_param, attr_number;
        unsigned location;
        unsigned chan;
-       LLVMValueRef src_c0, src_c1;
-       LLVMValueRef src0;
+       LLVMValueRef src_c0 = NULL;
+       LLVMValueRef src_c1 = NULL;
+       LLVMValueRef src0 = NULL;
        int input_index = instr->variables[0]->var->data.location - VARYING_SLOT_VAR0;
        switch (instr->intrinsic) {
        case nir_intrinsic_interp_var_at_centroid: