| // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py |
| // RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadbb -emit-llvm %s -o - \ |
| // RUN: -disable-O0-optnone | opt -S -passes=mem2reg \ |
| // RUN: | FileCheck %s -check-prefix=RV64XTHEADBB |
| |
| // RV64XTHEADBB-LABEL: @clz_32( |
| // RV64XTHEADBB-NEXT: entry: |
| // RV64XTHEADBB-NEXT: [[TMP0:%.*]] = call i32 @llvm.ctlz.i32(i32 [[A:%.*]], i1 false) |
| // RV64XTHEADBB-NEXT: ret i32 [[TMP0]] |
| // |
| unsigned int clz_32(unsigned int a) { |
| return __builtin_riscv_clz_32(a); |
| } |
| |
| // RV64XTHEADBB-LABEL: @clo_32( |
| // RV64XTHEADBB-NEXT: entry: |
| // RV64XTHEADBB-NEXT: [[NOT:%.*]] = xor i32 [[A:%.*]], -1 |
| // RV64XTHEADBB-NEXT: [[TMP0:%.*]] = call i32 @llvm.ctlz.i32(i32 [[NOT]], i1 false) |
| // RV64XTHEADBB-NEXT: ret i32 [[TMP0]] |
| // |
| unsigned int clo_32(unsigned int a) { |
| return __builtin_riscv_clz_32(~a); |
| } |
| |
| // RV64XTHEADBB-LABEL: @clz_64( |
| // RV64XTHEADBB-NEXT: entry: |
| // RV64XTHEADBB-NEXT: [[TMP0:%.*]] = call i64 @llvm.ctlz.i64(i64 [[A:%.*]], i1 false) |
| // RV64XTHEADBB-NEXT: [[CAST:%.*]] = trunc i64 [[TMP0]] to i32 |
| // RV64XTHEADBB-NEXT: ret i32 [[CAST]] |
| // |
| unsigned int clz_64(unsigned long a) { |
| return __builtin_riscv_clz_64(a); |
| } |
| |
| // RV64XTHEADBB-LABEL: @clo_64( |
| // RV64XTHEADBB-NEXT: entry: |
| // RV64XTHEADBB-NEXT: [[NOT:%.*]] = xor i64 [[A:%.*]], -1 |
| // RV64XTHEADBB-NEXT: [[TMP0:%.*]] = call i64 @llvm.ctlz.i64(i64 [[NOT]], i1 false) |
| // RV64XTHEADBB-NEXT: [[CAST:%.*]] = trunc i64 [[TMP0]] to i32 |
| // RV64XTHEADBB-NEXT: ret i32 [[CAST]] |
| // |
| unsigned int clo_64(unsigned long a) { |
| return __builtin_riscv_clz_64(~a); |
| } |
