| # RUN: llc -run-pass=peephole-opt -verify-machineinstrs -o - %s | FileCheck %s |
| --- | |
| target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" |
| target triple = "thumbv7-none-eabi" |
| |
| define i32 @test(i32 %a, i32 %b) { |
| unreachable |
| } |
| |
| ... |
| --- |
| name: test |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$r0', virtual-reg: '%0' } |
| - { reg: '$r1', virtual-reg: '%1' } |
| body: | |
| bb.0 (%ir-block.0): |
| liveins: $r0, $r1 |
| |
| %1:rgpr = COPY $r1 |
| %0:rgpr = COPY $r0 |
| %2:rgpr = t2MOVi 1, 14, $noreg, $noreg |
| %3:gprnopc = t2ADDrr %0, %1, 14, $noreg, $noreg |
| %4:gprnopc = t2SUBri %3, 0, 14, $noreg, def dead $cpsr |
| t2CMPri killed %3, 0, 14, $noreg, implicit-def $cpsr |
| %5:rgpr = t2MOVCCi %2, 0, 7, $cpsr |
| $r0 = COPY %5 |
| tBX_RET 14, $noreg, implicit $r0 |
| |
| # CHECK-LABEL: name: test |
| # CHECK: %3:gprnopc = t2ADDrr %0, %1, 14, $noreg, $noreg |
| # CHECK-NEXT: %4:gprnopc = t2SUBri %3, 0, 14, $noreg, def $cpsr |
| # CHECK-NEXT: %5:rgpr = t2MOVCCi %2, 0, 7, $cpsr |
| ... |