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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3
; RUN: opt -mtriple aarch64 -aggressive-instcombine-max-scan-instrs=1 -passes="aggressive-instcombine" -S < %s | FileCheck %s -check-prefix DBG
; RUN: opt -strip-debug -mtriple aarch64 -aggressive-instcombine-max-scan-instrs=1 -passes="aggressive-instcombine" -S < %s | FileCheck %s -check-prefix NODBG
; The DBG and NODBG cases should be the same. I.e. we should optimize the DBG
; case too even if there is a dbg.value.
target datalayout = "E"
%s = type { i16, i16 }
@e = global %s zeroinitializer, align 1
@l = global %s zeroinitializer, align 1
define void @test() {
; DBG-LABEL: define void @test() {
; DBG-NEXT: entry:
; DBG-NEXT: [[L1:%.*]] = load i32, ptr @e, align 1
; DBG-NEXT: #dbg_value(i32 undef, [[META3:![0-9]+]], !DIExpression(), [[META5:![0-9]+]])
; DBG-NEXT: store i32 [[L1]], ptr @l, align 1
; DBG-NEXT: ret void
;
; NODBG-LABEL: define void @test() {
; NODBG-NEXT: entry:
; NODBG-NEXT: [[L1:%.*]] = load i32, ptr @e, align 1
; NODBG-NEXT: store i32 [[L1]], ptr @l, align 1
; NODBG-NEXT: ret void
;
entry:
%l1 = load i16, ptr @e, align 1
call void @llvm.dbg.value(metadata i32 undef, metadata !3, metadata !DIExpression()), !dbg !5
%l2 = load i16, ptr getelementptr inbounds (%s, ptr @e, i16 0, i32 1), align 1
%e2 = zext i16 %l2 to i32
%e1 = zext i16 %l1 to i32
%s1 = shl nuw i32 %e1, 16
%o1 = or i32 %s1, %e2
store i32 %o1, ptr @l, align 1
ret void
}
declare void @llvm.dbg.value(metadata, metadata, metadata)
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!2}
!0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1)
!1 = !DIFile(filename: "foo.c", directory: "/")
!2 = !{i32 2, !"Debug Info Version", i32 3}
!3 = !DILocalVariable(scope: !4)
!4 = distinct !DISubprogram(unit: !0)
!5 = !DILocation(scope: !4)
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