| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 |
| ; RUN: llc --mtriple=riscv64 -o - %s | FileCheck %s |
| |
| define i64 @test(i64 %x, ptr %p) { |
| ; CHECK-LABEL: test: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: mv a2, a0 |
| ; CHECK-NEXT: li a0, 0 |
| ; CHECK-NEXT: bgtz a2, .LBB0_3 |
| ; CHECK-NEXT: # %bb.1: # %entry |
| ; CHECK-NEXT: addi a3, a2, -1 |
| ; CHECK-NEXT: and a2, a2, a3 |
| ; CHECK-NEXT: bnez a2, .LBB0_3 |
| ; CHECK-NEXT: # %bb.2: # %if.else |
| ; CHECK-NEXT: ld a0, 0(a1) |
| ; CHECK-NEXT: .LBB0_3: # %if.end |
| ; CHECK-NEXT: ret |
| entry: |
| %ctpop = call i64 @llvm.ctpop.i64(i64 %x) |
| %cmp1 = icmp ugt i64 %ctpop, 1 |
| %cmp2 = icmp sgt i64 %x, 0 |
| %or = or i1 %cmp2, %cmp1 |
| br i1 %or, label %if.end, label %if.else |
| |
| if.else: |
| %load = load i64, ptr %p, align 8 |
| br label %if.end |
| |
| if.end: |
| %res = phi i64 [0, %entry], [%load, %if.else] |
| ret i64 %res |
| } |