gallivm: Fix indirect immediate registers.

If reg->Register.Indirect is true then the immediate is not truly a
constant LLVM expression.

There is no performance regression in using LLVMBuildBitCast, as it will
fallback to LLVMConstBitCast internally when the argument is a constant.

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Reviewed-by: Zack Rusin <zackr@vmware.com>

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
index 0bbc408..f641859 100644 (file)
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
@@ -1026,9 +1026,9 @@ emit_fetch_immediate(
    }
 
    if (stype == TGSI_TYPE_UNSIGNED) {
-      res = LLVMConstBitCast(res, bld_base->uint_bld.vec_type);
+      res = LLVMBuildBitCast(builder, res, bld_base->uint_bld.vec_type, "");
    } else if (stype == TGSI_TYPE_SIGNED) {
-      res = LLVMConstBitCast(res, bld_base->int_bld.vec_type);
+      res = LLVMBuildBitCast(builder, res, bld_base->int_bld.vec_type, "");
    }
    return res;
 }