precommit test for pr60346

Link: #60346

Reviewed By: efriedma, void

Differential Revision: https://reviews.llvm.org/D142923

(cherry picked from commit 1cecfa4)

llvm/test/CodeGen/ARM/inlineasmbr-if-cvt.mir

@@ -0,0 +1,123 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -start-before=if-converter -stop-after=if-converter -o - %s \
+# RUN:   | FileCheck %s
+--- |
+  ; ModuleID = 'reduced.ll'
+  source_filename = "reduced.ll"
+  target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
+  target triple = "armv4t-unknown-linux-gnueabi"
+
+  define void @tusb1210_chg_det_work(i1 %tobool.not) {
+  entry:
+    br i1 %tobool.not, label %if.else, label %if.then
+
+  if.then:                                          ; preds = %entry
+    callbr void asm sideeffect ".word b, ${1:l}, ${0:c}\0A\09", "i,!i"(ptr null)
+            to label %if.end [label %if.end.sink.split]
+
+  if.else:                                          ; preds = %entry
+    callbr void asm sideeffect ".word b, ${1:l}, ${0:c}\0A\09", "i,!i"(ptr null)
+            to label %if.end [label %if.end.sink.split]
+
+  if.end.sink.split:                                ; preds = %if.else, %if.then
+    %.sink = phi i32 [ 1, %if.then ], [ 0, %if.else ]
+    store i32 %.sink, ptr null, align 4
+    br label %if.end
+
+  if.end:                                           ; preds = %if.end.sink.split, %if.else, %if.then
+    ret void
+  }
+
+...
+---
+name:            tusb1210_chg_det_work
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+hasWinCFI:       false
+callsEHReturn:   false
+callsUnwindInit: false
+hasEHCatchret:   false
+hasEHScopes:     false
+hasEHFunclets:   false
+debugInstrRef:   false
+failsVerification: false
+tracksDebugUserValues: true
+registers:       []
+liveins:
+  - { reg: '$r0', virtual-reg: '' }
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    1
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  functionContext: ''
+  maxCallFrameSize: 0
+  cvBytesOfCalleeSavedRegisters: 0
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  hasTailCall:     false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:      []
+stack:           []
+callSites:       []
+debugValueSubstitutions: []
+constants:       []
+machineFunctionInfo: {}
+body:             |
+  ; CHECK-LABEL: name: tusb1210_chg_det_work
+  ; CHECK: bb.0.entry:
+  ; CHECK-NEXT:   successors:
+  ; CHECK-NEXT:   liveins: $r0
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT:   TSTri killed renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
+  ; CHECK-NEXT:   renamable $r0 = MOVi 0, 1 /* CC::ne */, $cpsr, $noreg
+  ; CHECK-NEXT:   dead renamable $r0 = MOVi 1, 0 /* CC::eq */, killed $cpsr, $noreg, implicit killed $r0
+  ; FIXME: %bb.-1 is a dangling reference!!!
+  ; CHECK-NEXT:   INLINEASM_BR &".word b, ${1:l}, ${0:c}\0A\09", 9 /* sideeffect mayload attdialect */, 13 /* imm */, 0, 13 /* imm */, %bb.-1
+  ; CHECK-NEXT:   BX_RET 14 /* CC::al */, $noreg
+  bb.0.entry:
+    successors: %bb.4(0x40000000), %bb.1(0x40000000)
+    liveins: $r0
+
+    TSTri killed renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
+    Bcc %bb.4, 1 /* CC::ne */, killed $cpsr
+
+  bb.1.if.then:
+    successors: %bb.3(0x80000000), %bb.2(0x00000000)
+
+    renamable $r0 = MOVi 1, 14 /* CC::al */, $noreg, $noreg
+    INLINEASM_BR &".word b, ${1:l}, ${0:c}\0A\09", 9 /* sideeffect mayload attdialect */, 13 /* imm */, 0, 13 /* imm */, %bb.2
+    B %bb.3
+
+  bb.2.if.end.sink.split (machine-block-address-taken, inlineasm-br-indirect-target):
+    successors: %bb.3(0x80000000)
+    liveins: $r0
+
+    renamable $r1 = MOVi 0, 14 /* CC::al */, $noreg, $noreg
+    STRi12 killed renamable $r0, killed renamable $r1, 0, 14 /* CC::al */, $noreg :: (store (s32) into `ptr null`)
+
+  bb.3.if.end:
+    BX_RET 14 /* CC::al */, $noreg
+
+  bb.4.if.else:
+    successors: %bb.3(0x80000000), %bb.2(0x00000000)
+
+    renamable $r0 = MOVi 0, 14 /* CC::al */, $noreg, $noreg
+    INLINEASM_BR &".word b, ${1:l}, ${0:c}\0A\09", 9 /* sideeffect mayload attdialect */, 13 /* imm */, 0, 13 /* imm */, %bb.2
+    B %bb.3
+
+...