Mesa (master): ac/nir: Fix compiler warning about uninitialized dw_addr.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: 091bff831721b62243840038f505af0abd9436c1
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=091bff831721b62243840038f505af0abd9436c1

Author: Eric Anholt <eric at anholt.net>
Date:   Sat Feb 10 10:37:37 2018 +0000

ac/nir: Fix compiler warning about uninitialized dw_addr.

Even switching the def's condition to be the same chip revision check as
the use, the compiler doesn't figure it out.  Just NULL-init it.

Fixes: ec53e527421d ("ac/nir: Add ES output to LDS for GFX9.")
Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>

---

 src/amd/common/ac_nir_to_llvm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index d04e24f600..477b98b0d9 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -6088,7 +6088,7 @@ handle_es_outputs_post(struct nir_to_llvm_context *ctx,
 	}
 
 	for (unsigned i = 0; i < RADEON_LLVM_MAX_OUTPUTS; ++i) {
-		LLVMValueRef dw_addr;
+		LLVMValueRef dw_addr = NULL;
 		LLVMValueRef *out_ptr = &ctx->nir->outputs[i * 4];
 		int param_index;
 		int length = 4;