[Mesa-dev] [PATCH v2 20/20] ac: rework ac_llvm_extract_elem()

[Timothy Arceri]

Simplifies the logic a little and asserts index is 0.

Suggested-by: Nicolai Hähnle <nhaehnle at gmail.com>
---
 src/amd/common/ac_llvm_build.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
index faa08b6301c..a31f225e177 100644
--- a/src/amd/common/ac_llvm_build.c
+++ b/src/amd/common/ac_llvm_build.c
@@ -106,24 +106,24 @@ ac_get_llvm_num_components(LLVMValueRef value)
 	                              ? LLVMGetVectorSize(type)
 	                              : 1;
 	return num_components;
 }
 
 LLVMValueRef
 ac_llvm_extract_elem(struct ac_llvm_context *ac,
 		     LLVMValueRef value,
 		     int index)
 {
-	int count = ac_get_llvm_num_components(value);
-
-	if (count == 1)
+	if (LLVMGetTypeKind(LLVMTypeOf(value)) != LLVMVectorTypeKind) {
+		assert(index == 0);
 		return value;
+	}
 
 	return LLVMBuildExtractElement(ac->builder, value,
 				       LLVMConstInt(ac->i32, index, false), "");
 }
 
 unsigned
 ac_get_type_size(LLVMTypeRef type)
 {
 	LLVMTypeKind kind = LLVMGetTypeKind(type);
 
-- 
2.14.3