| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4 |
| ; RUN: llc < %s -mtriple=riscv64 | FileCheck %s |
| |
| define i8 @zext_nonneg_load_i16(ptr %x, ptr %y) { |
| ; CHECK-LABEL: zext_nonneg_load_i16: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: lh a0, 0(a0) |
| ; CHECK-NEXT: bltz a0, .LBB0_2 |
| ; CHECK-NEXT: # %bb.1: # %cont |
| ; CHECK-NEXT: add a0, a1, a0 |
| ; CHECK-NEXT: lbu a0, 0(a0) |
| ; CHECK-NEXT: ret |
| ; CHECK-NEXT: .LBB0_2: # %exit |
| ; CHECK-NEXT: li a0, 0 |
| ; CHECK-NEXT: ret |
| %a = load i16, ptr %x |
| %b = icmp slt i16 %a, 0 |
| br i1 %b, label %exit, label %cont |
| |
| cont: |
| %c = zext nneg i16 %a to i64 |
| %d = getelementptr i8, ptr %y, i64 %c |
| %e = load i8, ptr %d |
| ret i8 %e |
| |
| exit: |
| ret i8 0 |
| } |