00f9e5aa76
Summary: This is necessary and sufficient to get simple cases of multiple return working with multivalue enabled. More complex cases will require block and loop signatures to be generalized to potentially be type indices as well. Reviewers: aheejin, dschuff Subscribers: sbc100, jgravelle-google, hiraditya, sunfish, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D68684 llvm-svn: 374235
61 lines
2.7 KiB
YAML
61 lines
2.7 KiB
YAML
# RUN: llc < %s -run-pass=wasm-reg-stackify -x=mir 2>&1 | FileCheck %s
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# CHECK: body:
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# CHECK: %1:i32 = I32_WRAP_I64 %0,
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# CHECK-NEXT: DBG_VALUE %1,
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# CHECK-NEXT: %1:i32 = CALL_i32 @bar,
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# CHECK-NEXT: DBG_VALUE %1,
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# CHECK-NEXT: %[[NEWREG:.*]]:i32 = CALL_i32 @bar,
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# CHECK-NEXT: DBG_VALUE %[[NEWREG]],
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# CHECK-NEXT: CALL_VOID @foo, %[[NEWREG]],
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--- |
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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declare void @foo(i32)
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declare i32 @bar()
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define void @test(i64 %arg) {
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unreachable
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}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!4}
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!0 = distinct !DICompileUnit(language: DW_LANG_Rust, file: !2, producer: "clang LLVM (rustc version 1.30.0-dev)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !1, globals: !1)
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!1 = !{}
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!2 = !DIFile(filename: "<unknown>", directory: "")
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!3 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "&str", file: !2, size: 64, align: 32, elements: !{}, identifier: "111094d970b097647de579f9c509ef08")
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = distinct !DILexicalBlock(scope: !6, file: !2, line: 357, column: 8)
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!6 = distinct !DISubprogram(name: "testfoo", linkageName: "_testba", scope: !7, file: !2, line: 353, type: !8, isLocal: true, isDefinition: true, scopeLine: 353, flags: DIFlagPrototyped, isOptimized: true, unit: !0, templateParams: !1, retainedNodes: !9)
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!7 = !DINamespace(name: "ptr", scope: null)
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!8 = !DISubroutineType(types: !1)
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!9 = !{!10}
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!10 = !DILocalVariable(name: "val0", scope: !5, file: !2, line: 357, type: !3, align: 4)
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!11 = !DILocalVariable(name: "val1", scope: !5, file: !2, line: 358, type: !3, align: 4)
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!12 = !DILocalVariable(name: "val2", scope: !5, file: !2, line: 359, type: !3, align: 4)
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!13 = !DILocation(line: 357, column: 12, scope: !5)
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!14 = !DILocation(line: 358, column: 12, scope: !5)
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!15 = !DILocation(line: 359, column: 12, scope: !5)
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---
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name: test
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liveins:
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- { reg: '$arguments' }
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $arguments
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%0:i64 = ARGUMENT_i64 0, implicit $arguments
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%1:i32 = I32_WRAP_I64 %0:i64, implicit-def dead $arguments
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DBG_VALUE %1:i32, $noreg, !10, !DIExpression(), debug-location !13; <unknown>:357:12 line no:357
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%1:i32 = CALL_i32 @bar, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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DBG_VALUE %1:i32, $noreg, !11, !DIExpression(), debug-location !14; <unknown>:357:12 line no:357
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%1:i32 = CALL_i32 @bar, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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DBG_VALUE %1:i32, $noreg, !12, !DIExpression(), debug-location !15; <unknown>:357:12 line no:357
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CALL_VOID @foo, %1:i32, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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RETURN implicit-def dead $arguments
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...
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