150 lines
5.8 KiB
YAML
150 lines
5.8 KiB
YAML
# RUN: llc %s -o - -mtriple=x86_64-unknown-unknown \
|
|
# RUN: -experimental-debug-variable-locations \
|
|
# RUN: -run-pass=phi-node-elimination,livedebugvars,greedy,virtregrewriter \
|
|
# RUN: | FileCheck %s
|
|
#
|
|
# Like phi-through-regalloc.mir, pass a PHI node into register allocation, and
|
|
# test that it correctly comes out, in a stack slot. Fifteen spurious PHIs have
|
|
# been added to force the register allocator to spill one.
|
|
|
|
--- |
|
|
; ModuleID = 'promoted.ll'
|
|
source_filename = "test.c"
|
|
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
define dso_local i32 @foo(i32 %bar, i32 %baz) !dbg !7 {
|
|
entry:
|
|
ret i32 0, !dbg !19
|
|
}
|
|
|
|
declare dso_local i32 @ext(i32)
|
|
|
|
; Function Attrs: nounwind readnone speculatable willreturn
|
|
declare void @llvm.dbg.value(metadata, metadata, metadata)
|
|
|
|
!llvm.dbg.cu = !{!0}
|
|
!llvm.module.flags = !{!3, !4, !5}
|
|
!llvm.ident = !{!6}
|
|
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
|
|
!1 = !DIFile(filename: "test.c", directory: ".")
|
|
!2 = !{}
|
|
!3 = !{i32 7, !"Dwarf Version", i32 4}
|
|
!4 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!5 = !{i32 1, !"wchar_size", i32 4}
|
|
!6 = !{!"."}
|
|
!7 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 2, type: !8, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
|
|
!8 = !DISubroutineType(types: !9)
|
|
!9 = !{!10, !10, !10}
|
|
!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
|
|
!11 = !DILocalVariable(name: "bar", arg: 1, scope: !7, file: !1, line: 2, type: !10)
|
|
!12 = !DILocation(line: 0, scope: !7)
|
|
!13 = !DILocalVariable(name: "baz", arg: 2, scope: !7, file: !1, line: 2, type: !10)
|
|
!14 = !DILocalVariable(name: "either", scope: !7, file: !1, line: 3, type: !10)
|
|
!15 = !DILocation(line: 4, column: 7, scope: !16)
|
|
!16 = distinct !DILexicalBlock(scope: !7, file: !1, line: 4, column: 7)
|
|
!17 = !DILocation(line: 4, column: 7, scope: !7)
|
|
!18 = !DILocation(line: 0, scope: !16)
|
|
!19 = !DILocation(line: 9, column: 3, scope: !7)
|
|
|
|
...
|
|
---
|
|
name: foo
|
|
alignment: 16
|
|
tracksRegLiveness: true
|
|
registers:
|
|
- { id: 0, class: gr32 }
|
|
- { id: 1, class: gr32 }
|
|
- { id: 2, class: gr32 }
|
|
- { id: 3, class: gr32 }
|
|
- { id: 4, class: gr32 }
|
|
liveins:
|
|
- { reg: '$edi', virtual-reg: '%1' }
|
|
- { reg: '$esi', virtual-reg: '%2' }
|
|
frameInfo:
|
|
maxAlignment: 1
|
|
hasCalls: true
|
|
machineFunctionInfo: {}
|
|
body: |
|
|
; CHECK-LABEL: bb.0:
|
|
; CHECK: renamable $ebp = COPY $edi
|
|
; CHECK: MOV32mr %stack.1, 1, $noreg, 0, $noreg, killed renamable $ebp
|
|
bb.0:
|
|
successors: %bb.2(0x50000000), %bb.1(0x30000000)
|
|
liveins: $edi, $esi
|
|
|
|
DBG_VALUE $edi, $noreg, !11, !DIExpression(), debug-location !12
|
|
DBG_VALUE $esi, $noreg, !13, !DIExpression(), debug-location !12
|
|
%2:gr32 = COPY killed $esi
|
|
%1:gr32 = COPY killed $edi
|
|
ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp, debug-location !15
|
|
%3:gr32 = MOV32r0 implicit-def dead $eflags
|
|
$edi = COPY killed %3, debug-location !15
|
|
CALL64pcrel32 @ext, csr_64, implicit $rsp, implicit $ssp, implicit killed $edi, implicit-def $rsp, implicit-def $ssp, implicit-def $eax, debug-location !15
|
|
ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp, debug-location !15
|
|
%4:gr32 = COPY killed $eax, debug-location !15
|
|
%10:gr32 = MOV32ri 0
|
|
%11:gr32 = MOV32ri 1
|
|
%12:gr32 = MOV32ri 2
|
|
%13:gr32 = MOV32ri 3
|
|
%14:gr32 = MOV32ri 4
|
|
%15:gr32 = MOV32ri 5
|
|
%16:gr32 = MOV32ri 6
|
|
%17:gr32 = MOV32ri 7
|
|
%18:gr32 = MOV32ri 8
|
|
%19:gr32 = MOV32ri 9
|
|
%20:gr32 = MOV32ri 10
|
|
%21:gr32 = MOV32ri 11
|
|
%22:gr32 = MOV32ri 12
|
|
%23:gr32 = MOV32ri 13
|
|
%24:gr32 = MOV32ri 14
|
|
TEST32rr killed %4, %4, implicit-def $eflags, debug-location !15
|
|
JCC_1 %bb.2, 5, implicit killed $eflags, debug-location !17
|
|
JMP_1 %bb.1, debug-location !17
|
|
|
|
bb.1:
|
|
%30:gr32 = MOV32ri 0
|
|
%31:gr32 = MOV32ri 1
|
|
%32:gr32 = MOV32ri 2
|
|
%33:gr32 = MOV32ri 3
|
|
%34:gr32 = MOV32ri 4
|
|
%35:gr32 = MOV32ri 5
|
|
%36:gr32 = MOV32ri 6
|
|
%37:gr32 = MOV32ri 7
|
|
%38:gr32 = MOV32ri 8
|
|
%39:gr32 = MOV32ri 9
|
|
%40:gr32 = MOV32ri 10
|
|
%41:gr32 = MOV32ri 11
|
|
%42:gr32 = MOV32ri 12
|
|
%43:gr32 = MOV32ri 13
|
|
%44:gr32 = MOV32ri 14
|
|
|
|
; CHECK-LABEL: bb.2:
|
|
bb.2:
|
|
%0:gr32 = PHI %1, %bb.0, %2, %bb.1, debug-instr-number 1, debug-location !18
|
|
%50:gr32 = PHI %10, %bb.0, %30, %bb.1, debug-location !18
|
|
%51:gr32 = PHI %11, %bb.0, %31, %bb.1, debug-location !18
|
|
%52:gr32 = PHI %12, %bb.0, %32, %bb.1, debug-location !18
|
|
%53:gr32 = PHI %13, %bb.0, %33, %bb.1, debug-location !18
|
|
%54:gr32 = PHI %14, %bb.0, %34, %bb.1, debug-location !18
|
|
%55:gr32 = PHI %15, %bb.0, %35, %bb.1, debug-location !18
|
|
%56:gr32 = PHI %16, %bb.0, %36, %bb.1, debug-location !18
|
|
%57:gr32 = PHI %17, %bb.0, %37, %bb.1, debug-location !18
|
|
%58:gr32 = PHI %18, %bb.0, %38, %bb.1, debug-location !18
|
|
%59:gr32 = PHI %19, %bb.0, %39, %bb.1, debug-location !18
|
|
%60:gr32 = PHI %20, %bb.0, %40, %bb.1, debug-location !18
|
|
%61:gr32 = PHI %21, %bb.0, %41, %bb.1, debug-location !18
|
|
%62:gr32 = PHI %22, %bb.0, %42, %bb.1, debug-location !18
|
|
%63:gr32 = PHI %23, %bb.0, %43, %bb.1, debug-location !18
|
|
%64:gr32 = PHI %24, %bb.0, %44, %bb.1, debug-location !18
|
|
|
|
DBG_INSTR_REF 1, 0, !14, !DIExpression(), debug-location !12
|
|
; CHECK: DBG_PHI %stack.1, 1, 32
|
|
; CHECK: renamable $eax = MOV32rm %stack.1,
|
|
; CHECK: DBG_INSTR_REF 1, 0
|
|
$eax = COPY killed %0, debug-location !19
|
|
RET 0, killed $eax, debug-location !19
|
|
|
|
...
|