TheRock/compiler/amd-llvm/llvm/test/Transforms/GVN/PRE/phi-translate.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -passes=gvn -S < %s | FileCheck %s --check-prefixes=CHECK,MDEP
; RUN: opt -passes='gvn<memoryssa>' -S < %s | FileCheck %s --check-prefixes=CHECK,MSSA

target datalayout = "e-p:64:64:64"



@G = external global [100 x i32]
define i32 @foo(i32 %x, i32 %z) !dbg !6 {
; CHECK-LABEL: define i32 @foo(
; CHECK-SAME: i32 [[X:%.*]], i32 [[Z:%.*]]) !dbg [[DBG5:![0-9]+]] {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[TOBOOL:%.*]] = icmp eq i32 [[Z]], 0, !dbg [[DBG8:![0-9]+]]
; CHECK-NEXT:    br i1 [[TOBOOL]], label %[[ENTRY_END_CRIT_EDGE:.*]], label %[[THEN:.*]], !dbg [[DBG8]]
; CHECK:       [[ENTRY_END_CRIT_EDGE]]:
; CHECK-NEXT:    [[J_PHI_TRANS_INSERT:%.*]] = sext i32 [[X]] to i64
; CHECK-NEXT:    [[Q_PHI_TRANS_INSERT:%.*]] = getelementptr [100 x i32], ptr @G, i64 0, i64 [[J_PHI_TRANS_INSERT]]
; CHECK-NEXT:    [[N_PRE:%.*]] = load i32, ptr [[Q_PHI_TRANS_INSERT]], align 4, !dbg [[DBG9:![0-9]+]]
; CHECK-NEXT:    br label %[[END:.*]], !dbg [[DBG8]]
; CHECK:       [[THEN]]:
; CHECK-NEXT:    [[I:%.*]] = sext i32 [[X]] to i64, !dbg [[DBG10:![0-9]+]]
; CHECK-NEXT:    [[P:%.*]] = getelementptr [100 x i32], ptr @G, i64 0, i64 [[I]], !dbg [[DBG10]]
; CHECK-NEXT:    store i32 [[Z]], ptr [[P]], align 4, !dbg [[DBG10]]
; CHECK-NEXT:    br label %[[END]], !dbg [[DBG10]]
; CHECK:       [[END]]:
; CHECK-NEXT:    [[J_PRE_PHI:%.*]] = phi i64 [ [[J_PHI_TRANS_INSERT]], %[[ENTRY_END_CRIT_EDGE]] ], [ [[I]], %[[THEN]] ], !dbg [[DBG11:![0-9]+]]
; CHECK-NEXT:    [[N:%.*]] = phi i32 [ [[N_PRE]], %[[ENTRY_END_CRIT_EDGE]] ], [ [[Z]], %[[THEN]] ], !dbg [[DBG9]]
; CHECK-NEXT:    [[Q:%.*]] = getelementptr [100 x i32], ptr @G, i64 0, i64 [[J_PRE_PHI]], !dbg [[DBG12:![0-9]+]]
; CHECK-NEXT:    ret i32 [[N]], !dbg [[DBG9]]
;
entry:
  %tobool = icmp eq i32 %z, 0, !dbg !7
  br i1 %tobool, label %end, label %then, !dbg !7

then:
  %i = sext i32 %x to i64, !dbg !8
  %p = getelementptr [100 x i32], ptr @G, i64 0, i64 %i, !dbg !8
  store i32 %z, ptr %p, !dbg !8
  br label %end, !dbg !8

end:
  %j = sext i32 %x to i64, !dbg !9
  %q = getelementptr [100 x i32], ptr @G, i64 0, i64 %j, !dbg !10
  %n = load i32, ptr %q, !dbg !11
  ret i32 %n, !dbg !11
}

!llvm.module.flags = !{!0, !1, !2}
!llvm.dbg.cu = !{!12}
!0 = !{i32 2, !"Dwarf Version", i32 4}
!1 = !{i32 2, !"Debug Info Version", i32 3}
!2 = !{i32 1, !"PIC Level", i32 2}

!3 = !{}
!4 = !DISubroutineType(types: !3)
!5 = !DIFile(filename: "a.cc", directory: "/tmp")
!6 = distinct !DISubprogram(name: "foo", scope: !5, file: !5, line: 42, type: !4, isLocal: false, isDefinition: true, scopeLine: 43, flags: DIFlagPrototyped, isOptimized: false, unit: !12, retainedNodes: !3)
!7 = !DILocation(line: 43, column: 1, scope: !6)
!8 = !DILocation(line: 44, column: 1, scope: !6)
!9 = !DILocation(line: 45, column: 1, scope: !6)
!10 = !DILocation(line: 46, column: 1, scope: !6)
!11 = !DILocation(line: 47, column: 1, scope: !6)
!12 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang",
  file: !5,
  isOptimized: true, flags: "-O2",
  splitDebugFilename: "abc.debug", emissionKind: 2)
;.
; CHECK: [[META3:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C99, file: [[META4:![0-9]+]], producer: "clang", isOptimized: true, flags: "-O2", runtimeVersion: 0, splitDebugFilename: "abc.debug", emissionKind: LineTablesOnly)
; CHECK: [[META4]] = !DIFile(filename: "{{.*}}a.cc", directory: {{.*}})
; CHECK: [[DBG5]] = distinct !DISubprogram(name: "foo", scope: [[META4]], file: [[META4]], line: 42, type: [[META6:![0-9]+]], scopeLine: 43, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: [[META3]], retainedNodes: [[META7:![0-9]+]])
; CHECK: [[META6]] = !DISubroutineType(types: [[META7]])
; CHECK: [[META7]] = !{}
; CHECK: [[DBG8]] = !DILocation(line: 43, column: 1, scope: [[DBG5]])
; CHECK: [[DBG9]] = !DILocation(line: 47, column: 1, scope: [[DBG5]])
; CHECK: [[DBG10]] = !DILocation(line: 44, column: 1, scope: [[DBG5]])
; CHECK: [[DBG11]] = !DILocation(line: 45, column: 1, scope: [[DBG5]])
; CHECK: [[DBG12]] = !DILocation(line: 46, column: 1, scope: [[DBG5]])
;.
;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; MDEP: {{.*}}
; MSSA: {{.*}}