Signed-off-by: Rhys Perry <pendingchao...@gmail.com>
---
src/amd/common/ac_llvm_build.c | 33 +++++++--------------------------
1 file changed, 7 insertions(+), 26 deletions(-)
diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
index 2172d81f8b..3990a1f56d 100644
--- a/src/amd/common/ac_llvm_build.c
+++ b/src/amd/common/ac_llvm_build.c
@@ -2362,35 +2362,16 @@ LLVMValueRef ac_build_fsign(struct ac_llvm_context
*ctx, LLVMValueRef src0,
LLVMValueRef ac_build_bit_count(struct ac_llvm_context *ctx, LLVMValueRef src0)
{
- LLVMValueRef result;
- unsigned bitsize;
+ unsigned bitsize = ac_get_elem_bits(ctx, LLVMTypeOf(src0));
- bitsize = ac_get_elem_bits(ctx, LLVMTypeOf(src0));
+ char name[64];
+ snprintf(name, sizeof(name), "llvm.ctpop.i%d", bitsize);
- switch (bitsize) {
- case 64:
- result = ac_build_intrinsic(ctx, "llvm.ctpop.i64", ctx->i64,
- (LLVMValueRef []) { src0 }, 1,
- AC_FUNC_ATTR_READNONE);
-
- result = LLVMBuildTrunc(ctx->builder, result, ctx->i32, "");
- break;
- case 32:
- result = ac_build_intrinsic(ctx, "llvm.ctpop.i32", ctx->i32,
- (LLVMValueRef []) { src0 }, 1,
- AC_FUNC_ATTR_READNONE);
- break;
- case 16:
- result = ac_build_intrinsic(ctx, "llvm.ctpop.i16", ctx->i16,
- (LLVMValueRef []) { src0 }, 1,
- AC_FUNC_ATTR_READNONE);
- break;
- default:
- unreachable(!"invalid bitsize");
- break;
- }
+ LLVMValueRef result = ac_build_intrinsic(ctx, name, LLVMTypeOf(src0),
+ (LLVMValueRef []) { src0 }, 1,
+ AC_FUNC_ATTR_READNONE);
- return result;
+ return ac_build_ui_cast(ctx, result, ctx->i32);
}
LLVMValueRef ac_build_bitfield_reverse(struct ac_llvm_context *ctx,
--
2.19.2
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