| ; RUN: rm -rf %t && split-file %s %t && cd %t |
| ; RUN: llc -filetype=obj a.ll -o a.o |
| ; RUN: llvm-readelf -r a.o 2>err | FileCheck %s --check-prefix=RELOC |
| ; RUN: llvm-objdump -Sl --no-show-raw-insn a.o 2>err | FileCheck %s |
| ;; Test that ULEB128 relocs do not lead to spurious warnings. |
| ;; https://github.com/llvm/llvm-project/issues/101544 |
| ; RUN: count 0 < err |
| |
| ; RELOC: Relocation section '.rela.debug_loclists' |
| ; RELOC: R_RISCV_SET_ULEB128 |
| ; RELOC-NEXT: R_RISCV_SUB_ULEB128 |
| |
| ; CHECK: ; foo(): |
| ; CHECK-NEXT: a.c:2 |
| ; CHECK-NEXT: ; int foo(int x) { |
| ; CHECK-NEXT: 0: addi sp, sp, -0x10 |
| ; CHECK-NEXT: 2: sd ra, 0x8(sp) |
| ; CHECK-NEXT: a.c:3 |
| ; CHECK-NEXT: ; ext(); |
| ; CHECK-NEXT: 4: auipc ra, 0x0 |
| |
| ;--- a.c |
| int ext(void); |
| int foo(int x) { |
| ext(); |
| return 0; |
| } |
| |
| int ext(void); |
| void foo2() { |
| { |
| int ret = ext(); |
| if (__builtin_expect(ret, 0)) |
| ext(); |
| } |
| } |
| ;--- gen |
| clang --target=riscv64-linux -S -emit-llvm -g -O1 -fdebug-compilation-dir=. a.c -o - | sed -E '/^attribute/s/,-[-0-9a-z]+//g' |
| ;--- a.ll |
| ; ModuleID = 'a.c' |
| source_filename = "a.c" |
| target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128" |
| target triple = "riscv64-unknown-linux" |
| |
| ; Function Attrs: nounwind uwtable |
| define dso_local noundef signext i32 @foo(i32 noundef signext %x) local_unnamed_addr #0 !dbg !13 { |
| entry: |
| #dbg_value(i32 %x, !18, !DIExpression(), !19) |
| %call = tail call signext i32 @ext() #2, !dbg !20 |
| ret i32 0, !dbg !21 |
| } |
| |
| declare !dbg !22 signext i32 @ext() local_unnamed_addr #1 |
| |
| ; Function Attrs: nounwind uwtable |
| define dso_local void @foo2() local_unnamed_addr #0 !dbg !25 { |
| entry: |
| %call = tail call signext i32 @ext() #2, !dbg !31 |
| #dbg_value(i32 %call, !29, !DIExpression(), !32) |
| %tobool.not = icmp eq i32 %call, 0, !dbg !33 |
| br i1 %tobool.not, label %if.end, label %if.then, !dbg !35, !prof !36 |
| |
| if.then: ; preds = %entry |
| %call1 = tail call signext i32 @ext() #2, !dbg !37 |
| br label %if.end, !dbg !37 |
| |
| if.end: ; preds = %if.then, %entry |
| ret void, !dbg !38 |
| } |
| |
| attributes #0 = { nounwind uwtable "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic-rv64" "target-features"="+64bit,+a,+c,+d,+f,+m,+relax,+zicsr,+zmmul" } |
| attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic-rv64" "target-features"="+64bit,+a,+c,+d,+f,+m,+relax,+zicsr,+zmmul" } |
| attributes #2 = { nounwind } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!2, !3, !4, !5, !6, !8, !9, !10, !11, !12} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1, isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None) |
| !1 = !DIFile(filename: "a.c", directory: ".", checksumkind: CSK_MD5, checksum: "4791066d0b0e4fd9c4b4df1c56f349cb") |
| !2 = !{i32 7, !"Dwarf Version", i32 5} |
| !3 = !{i32 2, !"Debug Info Version", i32 3} |
| !4 = !{i32 1, !"wchar_size", i32 4} |
| !5 = !{i32 1, !"target-abi", !"lp64d"} |
| !6 = !{i32 6, !"riscv-isa", !7} |
| !7 = !{!"rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_zicsr2p0_zmmul1p0"} |
| !8 = !{i32 8, !"PIC Level", i32 2} |
| !9 = !{i32 7, !"PIE Level", i32 2} |
| !10 = !{i32 7, !"uwtable", i32 2} |
| !11 = !{i32 8, !"SmallDataLimit", i32 8} |
| !12 = !{i32 7, !"debug-info-assignment-tracking", i1 true} |
| !13 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 2, type: !14, scopeLine: 2, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !17) |
| !14 = !DISubroutineType(types: !15) |
| !15 = !{!16, !16} |
| !16 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !17 = !{!18} |
| !18 = !DILocalVariable(name: "x", arg: 1, scope: !13, file: !1, line: 2, type: !16) |
| !19 = !DILocation(line: 0, scope: !13) |
| !20 = !DILocation(line: 3, column: 3, scope: !13) |
| !21 = !DILocation(line: 4, column: 3, scope: !13) |
| !22 = !DISubprogram(name: "ext", scope: !1, file: !1, line: 1, type: !23, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized) |
| !23 = !DISubroutineType(types: !24) |
| !24 = !{!16} |
| !25 = distinct !DISubprogram(name: "foo2", scope: !1, file: !1, line: 8, type: !26, scopeLine: 8, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !28) |
| !26 = !DISubroutineType(types: !27) |
| !27 = !{null} |
| !28 = !{!29} |
| !29 = !DILocalVariable(name: "ret", scope: !30, file: !1, line: 10, type: !16) |
| !30 = distinct !DILexicalBlock(scope: !25, file: !1, line: 9, column: 3) |
| !31 = !DILocation(line: 10, column: 15, scope: !30) |
| !32 = !DILocation(line: 0, scope: !30) |
| !33 = !DILocation(line: 11, column: 9, scope: !34) |
| !34 = distinct !DILexicalBlock(scope: !30, file: !1, line: 11, column: 9) |
| !35 = !DILocation(line: 11, column: 9, scope: !30) |
| !36 = !{!"branch_weights", !"expected", i32 2000, i32 1} |
| !37 = !DILocation(line: 12, column: 7, scope: !34) |
| !38 = !DILocation(line: 14, column: 1, scope: !25) |