llvm.org GIT mirror llvm / release_90 test / CodeGen / ARM / ifcvt-diamond-unanalyzable-common.mir
release_90

Tree @release_90 (Download .tar.gz)

ifcvt-diamond-unanalyzable-common.mir @release_90raw · history · blame

# RUN: llc %s -o - -run-pass=if-converter -verify-machineinstrs | FileCheck %s
# Make sure we correctly if-convert blocks containing an INLINEASM_BR.
# CHECK: t2CMPri killed renamable $r2, 34
# CHECK-NEXT: $r0 = t2MOVi 2, 1, $cpsr, $noreg
# CHECK-NEXT: $r0 = t2MOVi 3, 0, killed $cpsr, $noreg, implicit killed $r0
# CHECK-NEXT: tBL 14, $noreg, @fn2
# CHECK-NEXT: INLINEASM_BR &"", 9, 13, 0, 13, blockaddress(@fn1, %ir-block.l_yes)
# CHECK-NEXT: t2B %bb.1, 14, $noreg
--- |
  target triple = "thumbv7-unknown-linux-gnueabi"
  
  define dso_local void @fn1() {
  l_yes:
    ret void
  }
  
  declare dso_local i32 @fn2(...)
...
---
name:            fn1
alignment:       1
tracksRegLiveness: true
body:             |
  bb.0:
    successors: %bb.1(0x40000000), %bb.2(0x40000000)
    liveins: $r0, $r1, $r2, $r4, $lr
  
    $sp = frame-setup t2STMDB_UPD $sp, 14, $noreg, killed $r4, killed $lr
    t2CMPri killed renamable $r2, 34, 14, $noreg, implicit-def $cpsr
    t2Bcc %bb.2, 1, killed $cpsr
  
  bb.1:
    successors: %bb.3(0x40000000), %bb.4(0x40000000)
    liveins: $r1
  
    $r0 = t2MOVi 3, 14, $noreg, $noreg
    tBL 14, $noreg, @fn2, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit $r1, implicit-def $sp, implicit-def dead $r0
    INLINEASM_BR &"", 9, 13, 0, 13, blockaddress(@fn1, %ir-block.l_yes)
    t2B %bb.3, 14, $noreg
  
  bb.2:
    successors: %bb.3(0x40000000), %bb.4(0x40000000)
    liveins: $r1
  
    $r0 = t2MOVi 2, 14, $noreg, $noreg
    tBL 14, $noreg, @fn2, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit $r1, implicit-def $sp, implicit-def dead $r0
    INLINEASM_BR &"", 9, 13, 0, 13, blockaddress(@fn1, %ir-block.l_yes)
    t2B %bb.3, 14, $noreg
  
  bb.3:
    INLINEASM &"", 1
    $sp = t2LDMIA_RET $sp, 14, $noreg, def $r4, def $pc
  
  bb.4.l_yes (address-taken):
    $sp = t2LDMIA_RET $sp, 14, $noreg, def $r4, def $pc

...