| ; Ensure that using libcall thread context with an empty function produces a frame base |
| ; that uses a local, and that using the global thread context produces a frame base that |
| ; uses the __stack_pointer global. |
| |
| ; Test generated via: clang --target=wasm32-unknown-unknown-wasm foo.c -g -O2 |
| ; void foo() {} |
| |
| ; RUN: llc < %s -filetype=obj -mtriple=wasm32-wasip3 -o - | llvm-dwarfdump - | FileCheck %s --check-prefix=LIBCALL |
| ; RUN: llc < %s -filetype=obj -o - | llvm-dwarfdump - | FileCheck %s --check-prefix=GLOBAL |
| |
| target datalayout = "e-m:e-p:32:32-p10:8:8-p20:8:8-i64:64-i128:128-n32:64-S128-ni:1:10:20" |
| target triple = "wasm32-unknown-unknown" |
| |
| define hidden void @foo() local_unnamed_addr #0 !dbg !9 { |
| ret void |
| } |
| |
| attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+multivalue,+mutable-globals,+nontrapping-fptoint,+reference-types,+sign-ext" } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!2, !3} |
| !llvm.ident = !{!4} |
| !llvm.errno.tbaa = !{!5} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1, producer: "clang version 23.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None) |
| !1 = !DIFile(filename: "test.c", directory: "") |
| !2 = !{i32 7, !"Dwarf Version", i32 4} |
| !3 = !{i32 2, !"Debug Info Version", i32 3} |
| !4 = !{!"clang version 23.0.0"} |
| !5 = !{!6, !6, i64 0} |
| !6 = !{!"int", !7, i64 0} |
| !7 = !{!"omnipotent char", !8, i64 0} |
| !8 = !{!"Simple C/C++ TBAA"} |
| !9 = distinct !DISubprogram(name: "caller", scope: !1, file: !1, line: 2, type: !10, scopeLine: 2, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, keyInstructions: true) |
| !10 = !DISubroutineType(types: !11) |
| !11 = !{null} |
| |
| ; LIBCALL: DW_AT_frame_base (DW_OP_WASM_location 0x0 0x0, DW_OP_stack_value) |
| ; GLOBAL: DW_AT_frame_base (DW_OP_WASM_location 0x3 0x0, DW_OP_stack_value) |
