legalize-vaarg.mir 3.04 KB
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -run-pass=legalizer -verify-machineinstrs %s -o - | FileCheck %s

--- |
  target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
  target triple = "aarch64--"
  define void @test_vaarg() { 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_vaarg", 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_vaarg
body: |
  bb.0:
    ; CHECK-LABEL: name: test_vaarg
    ; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
    ; CHECK: [[LOAD:%[0-9]+]]:_(p0) = G_LOAD [[COPY]](p0), debug-location !DILocation(line: 4, column: 3, scope: {{.*}}) :: (load 8)
    ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
    ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[LOAD]], [[C]](s64), debug-location !DILocation(line: 4, column: 3, scope: {{.*}})
    ; CHECK: G_STORE [[PTR_ADD]](p0), [[COPY]](p0), debug-location !DILocation(line: 4, column: 3, scope: {{.*}}) :: (store 8)
    ; CHECK: [[LOAD1:%[0-9]+]]:_(p0) = G_LOAD [[COPY]](p0), debug-location !DILocation(line: 5, column: 1, scope: {{.*}}) :: (load 8)
    ; CHECK: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[LOAD1]], [[C]](s64), debug-location !DILocation(line: 5, column: 1, scope: {{.*}})
    ; CHECK: G_STORE [[PTR_ADD1]](p0), [[COPY]](p0), debug-location !DILocation(line: 5, column: 1, scope: {{.*}}) :: (store 8)
    ; CHECK: [[LOAD2:%[0-9]+]]:_(p0) = G_LOAD [[COPY]](p0), debug-location !DILocation(line: 4, column: 3, scope: {{.*}}) :: (load 8)
    ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 15
    ; CHECK: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[LOAD2]], [[C1]](s64), debug-location !DILocation(line: 4, column: 3, scope: {{.*}})
    ; CHECK: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 -16
    ; CHECK: [[PTRMASK:%[0-9]+]]:_(p0) = G_PTRMASK [[PTR_ADD2]], [[C2]](s64), debug-location !DILocation(line: 4, column: 3, scope: {{.*}})
    ; CHECK: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTRMASK]], [[C]](s64), debug-location !DILocation(line: 4, column: 3, scope: {{.*}})
    ; CHECK: G_STORE [[PTR_ADD3]](p0), [[COPY]](p0), debug-location !DILocation(line: 4, column: 3, scope: {{.*}}) :: (store 8)
    %0:_(p0) = COPY $x0

    %1:_(s8) = G_VAARG %0(p0), 1, debug-location !11

    %2:_(s64) = G_VAARG %0(p0), 8, debug-location !12

    %3:_(s64) = G_VAARG %0(p0), 16, debug-location !11
...