ac/nir: make ac_build_isign work on all bit sizes

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

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>

diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
index 92e3dc4c25fa5623e3491fdfd4db871466a77d04..f033fde6da11933b73c87481c4b57229b6e4feaa 100644 (file)
--- a/src/amd/common/ac_llvm_build.c
+++ b/src/amd/common/ac_llvm_build.c
@@ -2078,30 +2078,11 @@ 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, "");