From bfea7e4d2965269bff8f1f6449cb99c312fd7384 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Ol=C5=A1=C3=A1k?= <marek.olsak@amd.com>
Date: Tue, 23 Jul 2019 23:11:40 -0400
Subject: [PATCH] ac/nir: handle negate modifier

---
 src/amd/common/ac_nir_to_llvm.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 826a6377323..f3cb9e879ed 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -187,7 +187,18 @@ static LLVMValueRef get_alu_src(struct ac_nir_context *ctx,
 		                                       swizzle, "");
 		}
 	}
-	assert(!src.negate);
+
+	if (src.negate) {
+		LLVMTypeRef type = LLVMTypeOf(value);
+		if (LLVMGetTypeKind(type) == LLVMVectorTypeKind)
+			type = LLVMGetElementType(type);
+
+		if (LLVMGetTypeKind(type) == LLVMIntegerTypeKind)
+			value = LLVMBuildNeg(ctx->ac.builder, value, "");
+		else
+			value = LLVMBuildFNeg(ctx->ac.builder, value, "");
+	}
+
 	assert(!src.abs);
 	return value;
 }