xref: /llvm-project/llvm/test/CodeGen/AArch64/GlobalISel/combine-shift-of-shifted-dbg-value-fallback.ll (revision 087172258a50d5bcabe43aff072a20701f0808ef)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -global-isel -mtriple=arm64-linux-gnu -global-isel-abort=1 | FileCheck %s
3; RUN: llc < %s -global-isel -mtriple=arm64-linux-gnu -global-isel-abort=1 --try-experimental-debuginfo-iterators | FileCheck %s
4target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
5target triple = "arm64-apple-ios9.0.0"
6
7; Check we don't fall back due to hitting a DBG_VALUE with a deleted vreg.
8
9%0 = type { %1, %3, %5, %8, i8, i32, i8, i64, [4096 x %9], i64, i64, [4096 x %11], i64, i64, %13, %21, ptr, %35, i64, [504 x i8] }
10%1 = type { [32 x %2] }
11%2 = type { i32, i32 }
12%3 = type { [32 x %4] }
13%4 = type { i64, i64 }
14%5 = type { [32 x %6] }
15%6 = type { %7, %7 }
16%7 = type { i8, [64 x i8] }
17%8 = type { [1024 x %7], %7 }
18%9 = type { ptr, i64 }
19%10 = type { ptr, ptr, i8, i8 }
20%11 = type { ptr, ptr }
21%12 = type { i64, i64 }
22%13 = type { %14 }
23%14 = type { ptr, %17, %19 }
24%15 = type { ptr }
25%16 = type <{ %15, ptr, ptr, i8, [7 x i8] }>
26%17 = type { %18 }
27%18 = type { %15 }
28%19 = type { %20 }
29%20 = type { i64 }
30%21 = type { %22 }
31%22 = type <{ %23, %30, %32, %33, [4 x i8] }>
32%23 = type { %24 }
33%24 = type { %25, %27 }
34%25 = type { ptr }
35%26 = type { ptr }
36%27 = type { %28 }
37%28 = type { %29 }
38%29 = type { %20 }
39%30 = type { %31 }
40%31 = type { %26 }
41%32 = type { %20 }
42%33 = type { %34 }
43%34 = type { float }
44%35 = type { [1024 x i64] }
45
46@global = external hidden global %0, align 512
47
48define void @baz(ptr %arg) !dbg !6 {
49; CHECK-LABEL: baz:
50; CHECK:       .Lfunc_begin0:
51; CHECK-NEXT:    .cfi_startproc
52; CHECK-NEXT:  // %bb.0: // %bb
53; CHECK-NEXT:    //DEBUG_VALUE: baz:3 <- undef
54; CHECK-NEXT:    .file 1 "/" "tmp.ll"
55; CHECK-NEXT:    .loc 1 4 1 prologue_end // tmp.ll:4:1
56; CHECK-NEXT:    lsl x8, x0, #4
57; CHECK-NEXT:    adrp x9, global+202752
58; CHECK-NEXT:    add x9, x9, :lo12:global+202752
59; CHECK-NEXT:    and x8, x8, #0x1ff0
60; CHECK-NEXT:    .loc 1 5 1 // tmp.ll:5:1
61; CHECK-NEXT:    str xzr, [x9, x8]
62; CHECK-NEXT:    .loc 1 6 1 // tmp.ll:6:1
63; CHECK-NEXT:    ret
64; CHECK-NEXT:  .Ltmp0:
65bb:
66  %tmp = ptrtoint ptr %arg to i64, !dbg !14
67  %tmp1 = shl i64 %tmp, 1, !dbg !15
68  %tmp2 = and i64 %tmp1, 1022, !dbg !16
69  call void @llvm.dbg.value(metadata i64 %tmp2, metadata !12, metadata !DIExpression()), !dbg !16
70  %tmp3 = getelementptr inbounds %0, ptr @global, i64 0, i32 17, i32 0, i64 %tmp2, !dbg !17
71  store i64 0, ptr %tmp3, align 16, !dbg !18
72  ret void, !dbg !19
73}
74
75; Function Attrs: nofree nosync nounwind readnone speculatable willreturn
76declare void @llvm.dbg.value(metadata, metadata, metadata) #1
77
78attributes #1 = { nofree nosync nounwind readnone speculatable willreturn }
79
80!llvm.module.flags = !{!0}
81!llvm.dbg.cu = !{!1}
82!llvm.debugify = !{!4, !5}
83
84!0 = !{i32 2, !"Debug Info Version", i32 3}
85!1 = distinct !DICompileUnit(language: DW_LANG_C, file: !2, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !3)
86!2 = !DIFile(filename: "tmp.ll", directory: "/")
87!3 = !{}
88!4 = !{i32 6}
89!5 = !{i32 4}
90!6 = distinct !DISubprogram(name: "baz", linkageName: "baz", scope: null, file: !2, line: 1, type: !7, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !1, retainedNodes: !8)
91!7 = !DISubroutineType(types: !3)
92!8 = !{!9, !11, !12, !13}
93!9 = !DILocalVariable(name: "1", scope: !6, file: !2, line: 1, type: !10)
94!10 = !DIBasicType(name: "ty64", size: 64, encoding: DW_ATE_unsigned)
95!11 = !DILocalVariable(name: "2", scope: !6, file: !2, line: 2, type: !10)
96!12 = !DILocalVariable(name: "3", scope: !6, file: !2, line: 3, type: !10)
97!13 = !DILocalVariable(name: "4", scope: !6, file: !2, line: 4, type: !10)
98!14 = !DILocation(line: 1, column: 1, scope: !6)
99!15 = !DILocation(line: 2, column: 1, scope: !6)
100!16 = !DILocation(line: 3, column: 1, scope: !6)
101!17 = !DILocation(line: 4, column: 1, scope: !6)
102!18 = !DILocation(line: 5, column: 1, scope: !6)
103!19 = !DILocation(line: 6, column: 1, scope: !6)
104