| # RUN: llc -mtriple=x86_64-pc-linux %s -run-pass=branch-folder -o - | FileCheck %s |
| |
| --- | |
| ; ModuleID = 'case1.c' |
| source_filename = "case1.c" |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @q1 = dso_local local_unnamed_addr global i32 1, align 4 |
| @q2 = dso_local local_unnamed_addr global i32 4, align 4 |
| @q3 = dso_local local_unnamed_addr global i32 2, align 4 |
| @g1 = dso_local local_unnamed_addr global i32 0, align 4 |
| @g2 = dso_local local_unnamed_addr global i32 0, align 4 |
| @g3 = dso_local local_unnamed_addr global i32 0, align 4 |
| |
| ; Function Attrs: nounwind uwtable |
| define dso_local i32 @multiple_inl_one_loc() local_unnamed_addr #0 !dbg !9 { |
| entry: |
| %0 = load i32, ptr @q1, align 4, !dbg !12, !tbaa !13 |
| %cmp.i = icmp sgt i32 %0, 3, !dbg !17 |
| br i1 %cmp.i, label %if.then.i, label %inl1.exit, !dbg !20 |
| |
| if.then.i: ; preds = %entry |
| tail call void @abort() #2, !dbg !21 |
| unreachable, !dbg !21 |
| |
| inl1.exit: ; preds = %entry |
| %mul.i = mul nsw i32 %0, 152, !dbg !22 |
| %add.i = add nsw i32 %mul.i, 100, !dbg !23 |
| store i32 %add.i, ptr @g1, align 4, !dbg !24, !tbaa !13 |
| %1 = load i32, ptr @q2, align 4, !dbg !25, !tbaa !13 |
| %cmp.i3 = icmp sgt i32 %1, 3, !dbg !26 |
| br i1 %cmp.i3, label %if.then.i4, label %inl1.exit7, !dbg !28 |
| |
| if.then.i4: ; preds = %inl1.exit |
| tail call void @abort() #2, !dbg !29 |
| unreachable, !dbg !29 |
| |
| inl1.exit7: ; preds = %inl1.exit |
| %mul.i5 = mul nsw i32 %1, 152, !dbg !30 |
| %add.i6 = add nsw i32 %mul.i5, 200, !dbg !31 |
| store i32 %add.i6, ptr @g2, align 4, !dbg !32, !tbaa !13 |
| %2 = load i32, ptr @q3, align 4, !dbg !33, !tbaa !13 |
| %cmp.i8 = icmp sgt i32 %2, 3, !dbg !34 |
| br i1 %cmp.i8, label %if.then.i9, label %inl1.exit12, !dbg !36 |
| |
| if.then.i9: ; preds = %inl1.exit7 |
| tail call void @abort() #2, !dbg !37 |
| unreachable, !dbg !37 |
| |
| inl1.exit12: ; preds = %inl1.exit7 |
| %mul.i10 = mul nsw i32 %2, 152, !dbg !38 |
| %add.i11 = add nsw i32 %mul.i10, 300, !dbg !39 |
| store i32 %add.i11, ptr @q3, align 4, !dbg !40, !tbaa !13 |
| ret i32 0, !dbg !41 |
| } |
| |
| ; Function Attrs: noreturn nounwind |
| declare !dbg !42 void @abort() local_unnamed_addr #1 |
| |
| attributes #0 = { nounwind uwtable "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } |
| attributes #1 = { noreturn nounwind "frame-pointer"="none" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } |
| attributes #2 = { noreturn nounwind } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!2, !3, !4, !5, !6, !7} |
| !llvm.ident = !{!8} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1, producer: "clang version 16.0.0.prerel", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, splitDebugInlining: false, nameTableKind: None) |
| !1 = !DIFile(filename: "case1.c", directory: "/", checksumkind: CSK_MD5, checksum: "36d7da9616644fc8b011f5c49108ab31") |
| !2 = !{i32 7, !"Dwarf Version", i32 5} |
| !3 = !{i32 2, !"Debug Info Version", i32 3} |
| !4 = !{i32 1, !"wchar_size", i32 4} |
| !5 = !{i32 8, !"PIC Level", i32 2} |
| !6 = !{i32 7, !"PIE Level", i32 2} |
| !7 = !{i32 7, !"uwtable", i32 2} |
| !8 = !{!"clang version 16.0.0.prerel"} |
| !9 = distinct !DISubprogram(name: "multiple_inl_one_loc", scope: !1, file: !1, line: 13, type: !10, scopeLine: 14, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !11) |
| !10 = !DISubroutineType(types: !11) |
| !11 = !{} |
| !12 = !DILocation(line: 15, column: 13, scope: !9) |
| !13 = !{!14, !14, i64 0} |
| !14 = !{!"int", !15, i64 0} |
| !15 = !{!"omnipotent char", !16, i64 0} |
| !16 = !{!"Simple C/C++ TBAA"} |
| !17 = !DILocation(line: 5, column: 9, scope: !18, inlinedAt: !19) |
| !18 = distinct !DISubprogram(name: "inl1", scope: !1, file: !1, line: 3, type: !10, scopeLine: 4, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !11) |
| !19 = distinct !DILocation(line: 15, column: 8, scope: !9) |
| !20 = !DILocation(line: 5, column: 7, scope: !18, inlinedAt: !19) |
| !21 = !DILocation(line: 6, column: 5, scope: !18, inlinedAt: !19) |
| !22 = !DILocation(line: 7, column: 12, scope: !18, inlinedAt: !19) |
| !23 = !DILocation(line: 7, column: 18, scope: !18, inlinedAt: !19) |
| !24 = !DILocation(line: 15, column: 6, scope: !9) |
| !25 = !DILocation(line: 16, column: 13, scope: !9) |
| !26 = !DILocation(line: 5, column: 9, scope: !18, inlinedAt: !27) |
| !27 = distinct !DILocation(line: 16, column: 8, scope: !9) |
| !28 = !DILocation(line: 5, column: 7, scope: !18, inlinedAt: !27) |
| !29 = !DILocation(line: 6, column: 5, scope: !18, inlinedAt: !27) |
| !30 = !DILocation(line: 7, column: 12, scope: !18, inlinedAt: !27) |
| !31 = !DILocation(line: 7, column: 18, scope: !18, inlinedAt: !27) |
| !32 = !DILocation(line: 16, column: 6, scope: !9) |
| !33 = !DILocation(line: 17, column: 13, scope: !9) |
| !34 = !DILocation(line: 5, column: 9, scope: !18, inlinedAt: !35) |
| !35 = distinct !DILocation(line: 17, column: 8, scope: !9) |
| !36 = !DILocation(line: 5, column: 7, scope: !18, inlinedAt: !35) |
| !37 = !DILocation(line: 6, column: 5, scope: !18, inlinedAt: !35) |
| !38 = !DILocation(line: 7, column: 12, scope: !18, inlinedAt: !35) |
| !39 = !DILocation(line: 7, column: 18, scope: !18, inlinedAt: !35) |
| !40 = !DILocation(line: 17, column: 6, scope: !9) |
| !41 = !DILocation(line: 18, column: 3, scope: !9) |
| !42 = !DISubprogram(name: "abort", scope: !43, file: !43, line: 514, type: !10, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !11) |
| !43 = !DIFile(filename: "/usr/include/stdlib.h", directory: "", checksumkind: CSK_MD5, checksum: "f7a1412d75d9e3df251dfc21b02d59ef") |
| |
| ... |
| --- |
| name: multiple_inl_one_loc |
| alignment: 16 |
| tracksRegLiveness: true |
| tracksDebugUserValues: true |
| frameInfo: |
| stackSize: 8 |
| offsetAdjustment: -8 |
| maxAlignment: 1 |
| adjustsStack: true |
| hasCalls: true |
| maxCallFrameSize: 0 |
| machineFunctionInfo: {} |
| body: | |
| bb.0.entry: |
| successors: %bb.1(0x00000800), %bb.2(0x7ffff800) |
| |
| frame-setup PUSH64r undef $rax, implicit-def $rsp, implicit $rsp |
| frame-setup CFI_INSTRUCTION def_cfa_offset 16 |
| renamable $eax = MOV32rm $rip, 1, $noreg, @q1, $noreg, debug-location !12 :: (dereferenceable load (s32) from @q1, !tbaa !13) |
| CMP32ri8 renamable $eax, 4, implicit-def $eflags, debug-location !17 |
| JCC_1 %bb.2, 12, implicit killed $eflags, debug-location !20 |
| JMP_1 %bb.1, debug-location !20 |
| |
| bb.1.if.then.i: |
| successors: |
| |
| CALL64pcrel32 target-flags(x86-plt) @abort, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp, debug-location !21 |
| |
| bb.2.inl1.exit: |
| successors: %bb.3(0x00000800), %bb.4(0x7ffff800) |
| liveins: $eax |
| |
| renamable $eax = nsw IMUL32rri killed renamable $eax, 152, implicit-def dead $eflags, debug-location !22 |
| renamable $eax = nsw ADD32ri8 killed renamable $eax, 100, implicit-def dead $eflags, debug-location !23 |
| MOV32mr $rip, 1, $noreg, @g1, $noreg, killed renamable $eax, debug-location !24 :: (store (s32) into @g1, !tbaa !13) |
| renamable $eax = MOV32rm $rip, 1, $noreg, @q2, $noreg, debug-location !25 :: (dereferenceable load (s32) from @q2, !tbaa !13) |
| CMP32ri8 renamable $eax, 4, implicit-def $eflags, debug-location !26 |
| JCC_1 %bb.4, 12, implicit killed $eflags, debug-location !28 |
| JMP_1 %bb.3, debug-location !28 |
| |
| bb.3.if.then.i4: |
| successors: |
| |
| CALL64pcrel32 target-flags(x86-plt) @abort, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp, debug-location !29 |
| |
| bb.4.inl1.exit7: |
| successors: %bb.5(0x00000800), %bb.6(0x7ffff800) |
| liveins: $eax |
| |
| renamable $eax = nsw IMUL32rri killed renamable $eax, 152, implicit-def dead $eflags, debug-location !30 |
| renamable $eax = nsw ADD32ri killed renamable $eax, 200, implicit-def dead $eflags, debug-location !31 |
| MOV32mr $rip, 1, $noreg, @g2, $noreg, killed renamable $eax, debug-location !32 :: (store (s32) into @g2, !tbaa !13) |
| renamable $eax = MOV32rm $rip, 1, $noreg, @q3, $noreg, debug-location !33 :: (dereferenceable load (s32) from @q3, !tbaa !13) |
| CMP32ri8 renamable $eax, 4, implicit-def $eflags, debug-location !34 |
| JCC_1 %bb.6, 12, implicit killed $eflags, debug-location !36 |
| JMP_1 %bb.5, debug-location !36 |
| |
| bb.5.if.then.i9: |
| successors: |
| |
| CALL64pcrel32 target-flags(x86-plt) @abort, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp, debug-location !37 |
| |
| bb.6.inl1.exit12: |
| liveins: $eax |
| |
| renamable $eax = nsw IMUL32rri killed renamable $eax, 152, implicit-def dead $eflags, debug-location !38 |
| renamable $eax = nsw ADD32ri killed renamable $eax, 300, implicit-def dead $eflags, debug-location !39 |
| MOV32mr $rip, 1, $noreg, @q3, $noreg, killed renamable $eax, debug-location !40 :: (store (s32) into @q3, !tbaa !13) |
| $eax = MOV32r0 implicit-def dead $eflags, debug-location !41 |
| $rcx = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !41 |
| frame-destroy CFI_INSTRUCTION def_cfa_offset 8, debug-location !41 |
| RET 0, $eax, debug-location !41 |
| |
| ... |
| |
| # In this case we have a abort call block folded from one single location in |
| # three inlined instances of inl1(): |
| # |
| # 1 | #include <stdlib.h> |
| # 2 | |
| # 3 | static inline int inl1(int q, int n) |
| # 4 | { |
| # 5 | if (q > 3) |
| # 6 | abort(); |
| # 7 | return q * 152 + n; |
| # 8 | } |
| # 9 | |
| # 10 | int q1 = 1, q2 = 4, q3 = 2; |
| # 11 | int g1, g2, g3; |
| # 12 | |
| # 13 | int multiple_inl_one_loc() |
| # 14 | { |
| # 15 | g1 = inl1(q1, 100); |
| # 16 | g2 = inl1(q2, 200); |
| # 17 | q3 = inl1(q3, 300); |
| # 18 | return 0; |
| # 19 | } |
| # |
| # We should produce a merged location describing that the abort call is located |
| # at line 6 in inl1() inlined at line 0. |
| |
| # CHECK-DAG: [[INLINER:![0-9]+]] = distinct !DISubprogram(name: "multiple_inl_one_loc" |
| # CHECK-DAG: [[INLINEE:![0-9]+]] = distinct !DISubprogram(name: "inl1" |
| |
| # CHECK-NOT: CALL64pcrel32 |
| # CHECK: CALL64pcrel32 target-flags(x86-plt) @abort, {{.*}} debug-location !DILocation(line: 6, column: 5, scope: [[INLINEE]], inlinedAt: !DILocation(line: 0, scope: [[INLINER]])) |
| # CHECK-NOT: CALL64pcrel32 |