test/Transforms/AggressiveInstCombine/inline-strcmp-debugloc.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
;; Tests that when we replace a call to strcmp with compiler-generated inline
;; code, we pass the strcmp call's dbg location to the inline code.
; RUN: opt < %s -passes=aggressive-instcombine -S | FileCheck %s

@.str = constant [3 x i8] c"-h\00"

define i32 @main() {
; CHECK-LABEL: define i32 @main() {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    br label %[[SUB_0:.*]], !dbg [[DBG4:![0-9]+]]
; CHECK:       [[SUB_0]]:
; CHECK-NEXT:    [[TMP0:%.*]] = load i8, ptr null, align 1, !dbg [[DBG4]]
; CHECK-NEXT:    [[TMP1:%.*]] = zext i8 [[TMP0]] to i32, !dbg [[DBG4]]
; CHECK-NEXT:    [[TMP2:%.*]] = sub i32 [[TMP1]], 45, !dbg [[DBG4]]
; CHECK-NEXT:    [[TMP3:%.*]] = icmp ne i32 [[TMP2]], 0, !dbg [[DBG4]]
; CHECK-NEXT:    br i1 [[TMP3]], label %[[NE:.*]], label %[[SUB_1:.*]], !dbg [[DBG4]]
; CHECK:       [[SUB_1]]:
; CHECK-NEXT:    [[TMP4:%.*]] = load i8, ptr getelementptr inbounds (i8, ptr null, i64 1), align 1, !dbg [[DBG4]]
; CHECK-NEXT:    [[TMP5:%.*]] = zext i8 [[TMP4]] to i32, !dbg [[DBG4]]
; CHECK-NEXT:    [[TMP6:%.*]] = sub i32 [[TMP5]], 104, !dbg [[DBG4]]
; CHECK-NEXT:    [[TMP7:%.*]] = icmp ne i32 [[TMP6]], 0, !dbg [[DBG4]]
; CHECK-NEXT:    br i1 [[TMP7]], label %[[NE]], label %[[SUB_2:.*]], !dbg [[DBG4]]
; CHECK:       [[SUB_2]]:
; CHECK-NEXT:    br label %[[NE]], !dbg [[DBG4]]
; CHECK:       [[NE]]:
; CHECK-NEXT:    br label %[[ENTRY_TAIL:.*]], !dbg [[DBG4]]
; CHECK:       [[ENTRY_TAIL]]:
; CHECK-NEXT:    ret i32 0
;
entry:
  %call.i = call i32 @strcmp(ptr null, ptr @.str), !dbg !4
  %cmp.i.not = icmp eq i32 %call.i, 0
  ret i32 0
}

declare i32 @strcmp(ptr, ptr)

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3}

!0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1, producer: "clang version 20.0.0git", isOptimized: true, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2)
!1 = !DIFile(filename: "test.c", directory: "/tmp")
!2 = !{}
!3 = !{i32 2, !"Debug Info Version", i32 3}
!4 = !DILocation(line: 258, column: 10, scope: !5)
!5 = distinct !DISubprogram(name: "streq", scope: !1, file: !1, line: 257, type: !7, scopeLine: 257, unit: !0, retainedNodes: !2)
!7 = !DISubroutineType(types: !2)
;.
; CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C11, file: [[META1:![0-9]+]], producer: "{{.*}}clang version {{.*}}", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: [[META2:![0-9]+]], retainedTypes: [[META2]], globals: [[META2]])
; CHECK: [[META1]] = !DIFile(filename: "test.c", directory: {{.*}})
; CHECK: [[META2]] = !{}
; CHECK: [[DBG4]] = !DILocation(line: 258, column: 10, scope: [[META5:![0-9]+]])
; CHECK: [[META5]] = distinct !DISubprogram(name: "streq", scope: [[META1]], file: [[META1]], line: 257, type: [[META6:![0-9]+]], scopeLine: 257, spFlags: DISPFlagDefinition, unit: [[META0]], retainedNodes: [[META2]])
; CHECK: [[META6]] = !DISubroutineType(types: [[META2]])
;.