[Mesa-dev] [PATCH v2 12/41] ac/nir: make ac_build_isign work on all bit sizes

[Rhys Perry]

v2: don't use ac_get_zero(), ac_get_one() and ac_int_of_size()

Signed-off-by: Rhys Perry <pendingchaos02 at gmail.com>
---
 src/amd/common/ac_llvm_build.c | 27 ++++-----------------------
 1 file changed, 4 insertions(+), 23 deletions(-)

diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
index db937eb66fb..3b2257e8bf0 100644
--- a/src/amd/common/ac_llvm_build.c
+++ b/src/amd/common/ac_llvm_build.c
@@ -2064,30 +2064,11 @@ LLVMValueRef ac_build_fract(struct ac_llvm_context *ctx, LLVMValueRef src0,
 LLVMValueRef ac_build_isign(struct ac_llvm_context *ctx, LLVMValueRef src0,
 			    unsigned bitsize)
 {
-	LLVMValueRef cmp, val, zero, one;
-	LLVMTypeRef type;
-
-	switch (bitsize) {
-	case 64:
-		type = ctx->i64;
-		zero = ctx->i64_0;
-		one = ctx->i64_1;
-		break;
-	case 32:
-		type = ctx->i32;
-		zero = ctx->i32_0;
-		one = ctx->i32_1;
-		break;
-	case 16:
-		type = ctx->i16;
-		zero = ctx->i16_0;
-		one = ctx->i16_1;
-		break;
-	default:
-		unreachable(!"invalid bitsize");
-		break;
-	}
+	LLVMTypeRef type = LLVMIntTypeInContext(ctx->context, bitsize);
+	LLVMValueRef zero = LLVMConstInt(type, 0, false);
+	LLVMValueRef one = LLVMConstInt(type, 1, false);
 
+	LLVMValueRef cmp, val;
 	cmp = LLVMBuildICmp(ctx->builder, LLVMIntSGT, src0, zero, "");
 	val = LLVMBuildSelect(ctx->builder, cmp, one, src0, "");
 	cmp = LLVMBuildICmp(ctx->builder, LLVMIntSGE, val, zero, "");
-- 
2.20.1