| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -mtriple=thumbv7m-none-eabi -run-pass=arm-cp-islands -verify-machineinstrs -o - %s | FileCheck %s |
| |
| --- | |
| target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" |
| target triple = "thumbv8.1m.main-arm-none-eabi" |
| |
| @b = local_unnamed_addr global i32 0, align 4 |
| |
| define i32 @c() { |
| ret i32 undef |
| } |
| |
| ... |
| --- |
| name: c |
| alignment: 2 |
| tracksRegLiveness: true |
| body: | |
| ; CHECK-LABEL: name: c |
| ; CHECK: bb.0: |
| ; CHECK: successors: %bb.2(0x40000000), %bb.1(0x40000000) |
| ; CHECK: renamable $r0, dead $cpsr = tMOVi8 1, 14 /* CC::al */, $noreg |
| ; CHECK: tCBNZ killed renamable $r0, %bb.2 |
| ; CHECK: bb.1: |
| ; CHECK: successors: %bb.3(0x40000000), %bb.2(0x40000000) |
| ; CHECK: tCBZ undef renamable $r0, %bb.3 |
| ; CHECK: bb.2: |
| ; CHECK: successors: %bb.3(0x80000000) |
| ; CHECK: $r0 = t2MOVi16 target-flags(arm-lo16) @b, 14 /* CC::al */, $noreg |
| ; CHECK: $r0 = t2MOVTi16 killed $r0, target-flags(arm-hi16) @b, 14 /* CC::al */, $noreg |
| ; CHECK: renamable $r1 = tLDRi renamable $r0, 0, 14 /* CC::al */, $noreg :: (dereferenceable load (s32) from @b) |
| ; CHECK: renamable $r1, dead $cpsr = nsw tADDi8 killed renamable $r1, 1, 14 /* CC::al */, $noreg |
| ; CHECK: tSTRi killed renamable $r1, killed renamable $r0, 0, 14 /* CC::al */, $noreg :: (store (s32) into @b) |
| ; CHECK: bb.3: |
| ; CHECK: tBX_RET 14 /* CC::al */, $noreg, implicit undef $r0 |
| bb.0: |
| successors: %bb.2(0x40000000), %bb.1(0x40000000) |
| |
| renamable $r0, dead $cpsr = tMOVi8 1, 14 /* CC::al */, $noreg |
| tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| t2Bcc %bb.2, 1 /* CC::ne */, killed $cpsr |
| |
| bb.1: |
| successors: %bb.3(0x40000000), %bb.2(0x40000000) |
| |
| tCMPi8 undef renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| t2Bcc %bb.3, 0 /* CC::eq */, killed $cpsr |
| |
| bb.2: |
| successors: %bb.3(0x80000000) |
| |
| $r0 = t2MOVi16 target-flags(arm-lo16) @b, 14 /* CC::al */, $noreg |
| $r0 = t2MOVTi16 killed $r0, target-flags(arm-hi16) @b, 14 /* CC::al */, $noreg |
| renamable $r1 = tLDRi renamable $r0, 0, 14 /* CC::al */, $noreg :: (dereferenceable load (s32) from @b) |
| renamable $r1, dead $cpsr = nsw tADDi8 killed renamable $r1, 1, 14 /* CC::al */, $noreg |
| tSTRi killed renamable $r1, killed renamable $r0, 0, 14 /* CC::al */, $noreg :: (store (s32) into @b) |
| |
| bb.3: |
| tBX_RET 14 /* CC::al */, $noreg, implicit undef $r0 |
| |
| ... |