| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-unknown -mattr=lzcnt | FileCheck %s |
| |
| ; Make sure we emit opoosite setcc instructions. |
| define i64 @pr35399(i64, ptr, ptr) { |
| ; CHECK-LABEL: pr35399: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: lzcntq %rdi, %rax |
| ; CHECK-NEXT: setae (%rsi) |
| ; CHECK-NEXT: setb (%rdx) |
| ; CHECK-NEXT: retq |
| %4 = tail call i64 @llvm.ctlz.i64(i64 %0, i1 false) |
| %5 = icmp ne i64 %0, 0 |
| %6 = zext i1 %5 to i8 |
| store i8 %6, ptr %1, align 1 |
| %7 = xor i1 %5, true |
| %8 = zext i1 %7 to i8 |
| store i8 %8, ptr %2, align 1 |
| ret i64 %4 |
| } |
| |
| declare i64 @llvm.ctlz.i64(i64, i1) |
