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cc12b285b6
This will currently accept the old number of bytes syntax, and convert it to a scalar. This should be removed in the near future (I think I converted all of the tests already, but likely missed a few). Not sure what the exact syntax and policy should be. We can continue printing the number of bytes for non-generic instructions to avoid test churn and only allow non-scalar types for generic instructions. This will currently print the LLT in parentheses, but accept parsing the existing integers and implicitly converting to scalar. The parentheses are a bit ugly, but the parser logic seems unable to deal without either parentheses or some keyword to indicate the start of a type.
84 lines
3.5 KiB
YAML
84 lines
3.5 KiB
YAML
## Test mips32r6:
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# RUN: llc -mtriple mips-linux-gnu -emit-call-site-info -run-pass=mips-delay-slot-filler %s -o -| FileCheck %s
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## Following code is used for producing this test case.
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##
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## (*pm_power_off)();
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## machine_power_off() { pm_power_off(); }
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##
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## Used command:
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## clang --target=mips-linux-gnu -march=mips32r6 -g -O2 -c m.c -mllvm -stop-before=mips-delay-slot-filler
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## Confirm that call site info exists after mips-delay-slot-filler, although,
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## the pass replaced the call instruction.
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# CHECK: callSites:
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# CHECK-NEXT: - { bb: {{.*}}, offset: {{.*}}, fwdArgRegs:
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--- |
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; ModuleID = 'm.c'
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source_filename = "m.c"
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target datalayout = "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64"
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target triple = "mips-unknown-linux-gnu"
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@pm_power_off = dso_local local_unnamed_addr global i32 (...)* null, align 4, !dbg !0
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; Function Attrs: nounwind
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define dso_local i32 @machine_power_off() local_unnamed_addr #0 !dbg !14 {
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entry:
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%0 = load i32 ()*, i32 ()** bitcast (i32 (...)** @pm_power_off to i32 ()**), align 4, !dbg !17
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%call = tail call i32 %0(), !dbg !17
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ret i32 undef, !dbg !17
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}
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attributes #0 = { "target-cpu"="mips32r6" }
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!10, !11, !12}
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!llvm.ident = !{!13}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "pm_power_off", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 12.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, splitDebugInlining: false, nameTableKind: None)
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!3 = !DIFile(filename: "m.c", directory: "/dir")
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!4 = !{}
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!5 = !{!0}
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!6 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 32)
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!7 = !DISubroutineType(types: !8)
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!8 = !{!9, null}
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!9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!10 = !{i32 7, !"Dwarf Version", i32 4}
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!11 = !{i32 2, !"Debug Info Version", i32 3}
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!12 = !{i32 1, !"wchar_size", i32 4}
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!13 = !{!"clang version 12.0.0"}
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!14 = distinct !DISubprogram(name: "machine_power_off", scope: !3, file: !3, line: 2, type: !15, scopeLine: 2, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !4)
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!15 = !DISubroutineType(types: !16)
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!16 = !{!9}
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!17 = !DILocation(line: 2, column: 23, scope: !14)
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...
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---
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name: machine_power_off
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alignment: 4
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stack:
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- { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4,
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stack-id: default, callee-saved-register: '$ra', callee-saved-restored: true,
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debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
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callSites:
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- { bb: 0, offset: 6, fwdArgRegs: [] }
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body: |
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bb.0.entry:
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liveins: $ra
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$sp = ADDiu $sp, -24
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CFI_INSTRUCTION def_cfa_offset 24
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SW killed $ra, $sp, 20 :: (store (s32) into %stack.0)
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CFI_INSTRUCTION offset $ra_64, -4
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renamable $at = LUi target-flags(mips-abs-hi) @pm_power_off, debug-location !17
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renamable $t9 = LW killed renamable $at, target-flags(mips-abs-lo) @pm_power_off, debug-location !17 :: (dereferenceable load (s32) from `i32 ()** bitcast (i32 (...)** @pm_power_off to i32 ()**)`)
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JALRPseudo $t9, csr_o32_fp64, implicit-def dead $ra, implicit-def $sp, implicit-def dead $v0, debug-location !17
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$ra = LW $sp, 20, debug-location !17 :: (load (s32) from %stack.0)
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$sp = ADDiu $sp, 24
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PseudoReturn undef $ra, implicit undef $v0, debug-location !17
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...
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