llvmpipe: Silence compiler warnings.

4 files changed, 13 insertions, 11 deletions

diff --git a/src/gallium/drivers/llvmpipe/lp_bld_arit.c b/src/gallium/drivers/llvmpipe/lp_bld_arit.c
index aec3e297f4a..b3429c31477 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_arit.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_arit.c
@@ -746,8 +746,11 @@ lp_build_exp2_approx(struct lp_build_context *bld,
    const union lp_type type = bld->type;
    LLVMTypeRef vec_type = lp_build_vec_type(type);
    LLVMTypeRef int_vec_type = lp_build_int_vec_type(type);
-   LLVMValueRef ipart;
-   LLVMValueRef fpart, expipart, expfpart, res;
+   LLVMValueRef ipart = NULL;
+   LLVMValueRef fpart = NULL;
+   LLVMValueRef expipart = NULL;
+   LLVMValueRef expfpart = NULL;
+   LLVMValueRef res = NULL;
 
    if(p_exp2_int_part || p_frac_part || p_exp2) {
       /* TODO: optimize the constant case */
@@ -841,12 +844,12 @@ lp_build_log2_approx(struct lp_build_context *bld,
    LLVMValueRef mantmask = lp_build_int_const_uni(type, 0x007fffff);
    LLVMValueRef one = LLVMConstBitCast(bld->one, int_vec_type);
 
-   LLVMValueRef i;
-   LLVMValueRef exp;
-   LLVMValueRef mant;
-   LLVMValueRef logexp;
-   LLVMValueRef logmant;
-   LLVMValueRef res;
+   LLVMValueRef i = NULL;
+   LLVMValueRef exp = NULL;
+   LLVMValueRef mant = NULL;
+   LLVMValueRef logexp = NULL;
+   LLVMValueRef logmant = NULL;
+   LLVMValueRef res = NULL;
 
    if(p_exp || p_floor_log2 || p_log2) {
       /* TODO: optimize the constant case */
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_swizzle.c b/src/gallium/drivers/llvmpipe/lp_bld_swizzle.c
index 627890a3af1..7fd25e9dd69 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_swizzle.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_swizzle.c
@@ -137,8 +137,6 @@ lp_build_select(struct lp_build_context *bld,
                 LLVMValueRef a,
                 LLVMValueRef b)
 {
-   const union lp_type type = bld->type;
-
    if(a == b)
       return a;
 
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_tgsi_soa.c b/src/gallium/drivers/llvmpipe/lp_bld_tgsi_soa.c
index f60e79e6beb..4ec1b9dbd85 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_tgsi_soa.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_tgsi_soa.c
@@ -140,6 +140,7 @@ emit_fetch(
 
       default:
          assert( 0 );
+         return bld->base.undef;
       }
       break;
 
@@ -153,6 +154,7 @@ emit_fetch(
 
    default:
       assert( 0 );
+      return bld->base.undef;
    }
 
    switch( tgsi_util_get_full_src_register_sign_mode( reg, chan_index ) ) {
diff --git a/src/gallium/drivers/llvmpipe/lp_quad_fs.c b/src/gallium/drivers/llvmpipe/lp_quad_fs.c
index 5c37fab8e6f..c428987a7d4 100644
--- a/src/gallium/drivers/llvmpipe/lp_quad_fs.c
+++ b/src/gallium/drivers/llvmpipe/lp_quad_fs.c
@@ -201,7 +201,6 @@ shade_quads(struct quad_stage *qs,
                  struct quad_header *quads[],
                  unsigned nr)
 {
-   struct quad_shade_stage *qss = quad_shade_stage( qs );
    unsigned i, pass = 0;
    
    for (i = 0; i < nr; i++) {