d391e4fe84
Be more consistent in the naming convention for the various RET instructions to specify in terms of bitwidth. Helps prevent future scheduler model mismatches like those that were only addressed in D44687. Differential Revision: https://reviews.llvm.org/D113302
140 lines
5.7 KiB
YAML
140 lines
5.7 KiB
YAML
# RUN: llc -march=x86-64 -run-pass none -o - %s | FileCheck %s
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# This test ensures that the MIR parser parses the machine instruction's
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# debug location metadata correctly.
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--- |
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define i32 @test(i32 %x) #0 !dbg !4 {
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entry:
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%x.addr = alloca i32, align 4
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store i32 %x, i32* %x.addr, align 4
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call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !12, metadata !DIExpression()), !dbg !13
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%0 = load i32, i32* %x.addr, align 4, !dbg !14
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ret i32 %0, !dbg !14
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}
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define i32 @test_typed_immediates(i32 %x) #0 {
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entry:
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%x.addr = alloca i32, align 4
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store i32 %x, i32* %x.addr, align 4
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call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !12, metadata !DIExpression()), !dbg !13
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%0 = load i32, i32* %x.addr, align 4, !dbg !14
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ret i32 %0, !dbg !14
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}
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define i32 @test_mir_created(i32 %x) #0 !dbg !15 {
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entry:
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%x.addr = alloca i32, align 4
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store i32 %x, i32* %x.addr, align 4
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%0 = load i32, i32* %x.addr, align 4
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%1 = load i32, i32* %x.addr, align 4
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%2 = load i32, i32* %x.addr, align 4
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%3 = load i32, i32* %x.addr, align 4
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ret i32 %0, !dbg !16
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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attributes #0 = { nounwind "frame-pointer"="none" }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!9, !10}
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!llvm.ident = !{!11}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.7.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "test.ll", directory: "")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "test", scope: !5, file: !5, line: 4, type: !6, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
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!5 = !DIFile(filename: "test.c", directory: "")
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!6 = !DISubroutineType(types: !7)
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!7 = !{!8, !8}
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!8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!9 = !{i32 2, !"Dwarf Version", i32 4}
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!10 = !{i32 2, !"Debug Info Version", i32 3}
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!11 = !{!"clang version 3.7.0"}
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!12 = !DILocalVariable(name: "x", arg: 1, scope: !4, file: !5, line: 4, type: !8)
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!13 = !DILocation(line: 4, scope: !4)
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!14 = !DILocation(line: 8, scope: !4)
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!15 = distinct !DISubprogram(name: "test_mir_created", scope: !5, file: !5, line: 10, type: !6, isLocal: false, isDefinition: true, scopeLine: 10, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
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!16 = !DILocation(line: 20, scope: !15)
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...
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---
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name: test
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tracksRegLiveness: true
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registers:
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- { id: 0, class: gr32 }
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frameInfo:
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maxAlignment: 4
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stack:
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- { id: 0, name: x.addr, size: 4, alignment: 4 }
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body: |
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bb.0.entry:
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liveins: $edi
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; CHECK: DBG_VALUE $noreg, 0, !11, !DIExpression(), debug-location !12
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; CHECK: DBG_VALUE $noreg, 0, !11, !DIExpression(), debug-location !12
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; CHECK: $eax = COPY %0, debug-location !13
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; CHECK: RET64 $eax, debug-location !13
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%0 = COPY $edi
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DBG_VALUE _, 0, !12, !DIExpression(), debug-location !13
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; Test whether debug-use is still recognized for compatibility with old
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; files.
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DBG_VALUE debug-use _, 0, !12, !DIExpression(), debug-location !13
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MOV32mr %stack.0.x.addr, 1, _, 0, _, %0
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$eax = COPY %0, debug-location !14
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RET64 $eax, debug-location !14
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...
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---
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name: test_typed_immediates
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tracksRegLiveness: true
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registers:
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- { id: 0, class: gr32 }
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frameInfo:
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maxAlignment: 4
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stack:
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- { id: 0, name: x.addr, size: 4, alignment: 4 }
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body: |
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bb.0.entry:
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liveins: $edi
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%0 = COPY $edi
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; CHECK: DBG_VALUE $noreg, i32 0, !11, !DIExpression()
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; CHECK-NEXT: DBG_VALUE $noreg, i64 -22, !11, !DIExpression()
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; CHECK-NEXT: DBG_VALUE $noreg, i128 123492148938512984928424384934328985928, !11, !DIExpression()
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DBG_VALUE _, i32 0, !12, !DIExpression(), debug-location !13
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DBG_VALUE _, i64 -22, !12, !DIExpression(), debug-location !13
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DBG_VALUE _, i128 123492148938512984928424384934328985928, !12, !DIExpression(), debug-location !13
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MOV32mr %stack.0.x.addr, 1, _, 0, _, %0
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$eax = COPY %0
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RET64 $eax
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...
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---
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name: test_mir_created
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tracksRegLiveness: true
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registers:
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- { id: 0, class: gr32 }
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frameInfo:
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maxAlignment: 4
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stack:
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- { id: 0, name: x.addr, size: 4, alignment: 4 }
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body: |
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bb.0.entry:
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liveins: $edi
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%0 = COPY $edi
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; CHECK-LABEL: name: test_mir_created
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; CHECK: MOV32mr %stack.0.x.addr, 1, $noreg, 0, $noreg, %0, debug-location !DILocation(line: 1, scope: !14)
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; CHECK: MOV32mr %stack.0.x.addr, 1, $noreg, 0, $noreg, %0, debug-location !DILocation(line: 2, column: 2, scope: !14)
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; CHECK: MOV32mr %stack.0.x.addr, 1, $noreg, 0, $noreg, %0, debug-location !DILocation(line: 3, column: 2, scope: !14, isImplicitCode: true)
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; CHECK: MOV32mr %stack.0.x.addr, 1, $noreg, 0, $noreg, %0, debug-location !DILocation(line: 4, scope: !14, inlinedAt: !15)
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; CHECK: MOV32mr %stack.0.x.addr, 1, $noreg, 0, $noreg, %0, debug-location !DILocation(line: 5, scope: !14, inlinedAt: !DILocation(line: 4, scope: !14))
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MOV32mr %stack.0.x.addr, 1, _, 0, _, %0, debug-location !DILocation(line: 1, scope: !15)
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MOV32mr %stack.0.x.addr, 1, _, 0, _, %0, debug-location !DILocation(line: 2, column: 2, scope: !15)
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MOV32mr %stack.0.x.addr, 1, _, 0, _, %0, debug-location !DILocation(line: 3, column: 2, scope: !15, isImplicitCode: true)
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MOV32mr %stack.0.x.addr, 1, _, 0, _, %0, debug-location !DILocation(line: 4, scope: !15, inlinedAt: !16)
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MOV32mr %stack.0.x.addr, 1, _, 0, _, %0, debug-location !DILocation(line: 5, scope: !15, inlinedAt: !DILocation(line: 4, scope: !15))
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$eax = COPY %0
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RET64 $eax
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...
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