llvm/test/Transforms/Reassociate/debugloc-factoring-neg.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S -p=reassociate < %s | FileCheck %s

;; When reassociating the expression below, we reduce it to using a single
;; multiply and as part of that we generate a sub that negates one of the
;; original terms; this negation "neg" should use the original expression's
;; source location.

define i32 @foo(i64 %0, i64 %1) {
; CHECK-LABEL: define i32 @foo(
; CHECK-SAME: i64 [[TMP0:%.*]], i64 [[TMP1:%.*]]) {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[NEG:%.*]] = sub i64 0, [[TMP1]], !dbg [[DBG3:![0-9]+]]
; CHECK-NEXT:    [[REASS_ADD:%.*]] = add i64 [[NEG]], [[TMP0]]
; CHECK-NEXT:    [[REASS_MUL:%.*]] = mul i64 [[REASS_ADD]], 1000, !dbg [[DBG3]]
; CHECK-NEXT:    store i64 [[REASS_MUL]], ptr null, align 8
; CHECK-NEXT:    ret i32 0
;
entry:
  %mul1026 = mul i64 %0, 1000
  %add1028 = or i64 %mul1026, 0
  %mul1029 = mul i64 %1, 1000
  %sub1032 = sub i64 %add1028, %mul1029, !dbg !4
  store i64 %sub1032, ptr null, align 8
  ret i32 0
}

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

!0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1, producer: "clang version 20.0.0git")
!1 = !DIFile(filename: "test.c", directory: "/tmp")
!2 = !{}
!3 = !{i32 2, !"Debug Info Version", i32 3}
!4 = !DILocation(line: 10, column: 53, scope: !5)
!5 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 550, type: !7, scopeLine: 557, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
!7 = distinct !DISubroutineType(types: !2)
;.
; CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C11, file: [[META1:![0-9]+]], producer: "{{.*}}clang version {{.*}}", isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug)
; CHECK: [[META1]] = !DIFile(filename: "test.c", directory: {{.*}})
; CHECK: [[DBG3]] = !DILocation(line: 10, column: 53, scope: [[META4:![0-9]+]])
; CHECK: [[META4]] = distinct !DISubprogram(name: "foo", scope: [[META1]], file: [[META1]], line: 550, type: [[META5:![0-9]+]], scopeLine: 557, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]], retainedNodes: [[META6:![0-9]+]])
; CHECK: [[META5]] = distinct !DISubroutineType(types: [[META6]])
; CHECK: [[META6]] = !{}
;.