llvm-project/llvm/test/CodeGen/AArch64/GlobalISel/legalize-shift-imm-promote-...

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# RUN: llc -mtriple=aarch64-- -run-pass=legalizer -verify-machineinstrs -O0 %s -o - | FileCheck %s
--- |
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
target triple = "arm64-apple-ios13.0.0"
define void @test_shl_imm_promote_debug() {
ret void
}
!llvm.module.flags = !{!0, !1, !2, !3, !4}
!llvm.dbg.cu = !{!5}
!llvm.ident = !{!8}
!0 = !{i32 2, !"SDK Version", [2 x i32] [i32 14, i32 0]}
!1 = !{i32 7, !"Dwarf Version", i32 4}
!2 = !{i32 2, !"Debug Info Version", i32 3}
!3 = !{i32 1, !"wchar_size", i32 4}
!4 = !{i32 7, !"PIC Level", i32 2}
!5 = distinct !DICompileUnit(language: DW_LANG_C99, file: !6, producer: "clang")
!6 = !DIFile(filename: "foo.c", directory: "/")
!7 = !{}
!8 = !{!"clang"}
!9 = distinct !DISubprogram(name: "test_shl_imm_promote_debug", scope: !6, file: !6, line: 3, type: !10, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !5, retainedNodes: !7)
!10 = !DISubroutineType(types: !7)
!11 = !DILocation(line: 4, column: 3, scope: !9)
!12 = !DILocation(line: 5, column: 1, scope: !9)
...
---
name: test_shl_imm_promote_debug
alignment: 4
tracksRegLiveness: true
liveins:
- { reg: '$x0' }
- { reg: '$w1' }
- { reg: '$w2' }
body: |
bb.1:
liveins: $w0, $w1
; Check that the G_LSHR has the right debug loc. This should also check that the G_ZEXT of the constant
; also has the right DL too, but it gets optimized away.
; CHECK-LABEL: name: test_shl_imm_promote_debug
; CHECK: liveins: $w0, $w1
; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
; CHECK: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY1]], [[C]](s64), debug-location !DILocation(line: 4, column: 3
; CHECK: $w0 = COPY [[LSHR]](s32)
; CHECK: RET_ReallyLR debug-location !DILocation(line: 5, column: 1
%0:_(p0) = COPY $x0
%1:_(s32) = COPY $w1
%2:_(s32) = G_CONSTANT i32 8
%3:_(s32) = G_LSHR %1(s32), %2(s32), debug-location !11
$w0 = COPY %3(s32)
RET_ReallyLR debug-location !12
...