| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -verify-machineinstrs -mtriple=powerpc-unknown-aix \ |
| ; RUN: --ppc-asm-full-reg-names -mcpu=pwr7 < %s | FileCheck %s |
| |
| define i64 @test_cmpb(i64 %a, i64 %b) { |
| ; CHECK-LABEL: test_cmpb: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: cmpb r4, r4, r6 |
| ; CHECK-NEXT: cmpb r3, r3, r5 |
| ; CHECK-NEXT: blr |
| entry: |
| %0 = trunc i64 %a to i32 |
| %1 = trunc i64 %b to i32 |
| %2 = lshr i64 %a, 32 |
| %3 = trunc i64 %2 to i32 |
| %4 = lshr i64 %b, 32 |
| %5 = trunc i64 %4 to i32 |
| %cmpb = tail call i32 @llvm.ppc.cmpb.i32.i32.i32(i32 %0, i32 %1) |
| %6 = zext i32 %cmpb to i64 |
| %cmpb1 = tail call i32 @llvm.ppc.cmpb.i32.i32.i32(i32 %3, i32 %5) |
| %7 = zext i32 %cmpb1 to i64 |
| %8 = shl nuw i64 %7, 32 |
| %9 = or i64 %8, %6 |
| ret i64 %9 |
| } |
| |
| declare i32 @llvm.ppc.cmpb.i32.i32.i32(i32, i32) |