# RUN: llc -mtriple=x86_64-pc-linux %s -run-pass=branch-folder -o - | FileCheck %s --- | ; ModuleID = 'case4.c' source_filename = "case4.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 6, align 4 @g1 = dso_local local_unnamed_addr global i32 0, align 4 ; Function Attrs: nounwind uwtable define dso_local i32 @merge_inl_and_non_inl() 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 %inl5.exit, !dbg !20 if.then.i: ; preds = %entry tail call void @abort() #2, !dbg !21 unreachable, !dbg !21 inl5.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 = icmp sgt i32 %1, 5, !dbg !26 br i1 %cmp, label %if.then, label %if.end, !dbg !25 if.then: ; preds = %inl5.exit tail call void @abort() #2, !dbg !27 unreachable, !dbg !27 if.end: ; preds = %inl5.exit ret i32 0, !dbg !28 } ; Function Attrs: noreturn nounwind declare !dbg !29 void @abort() local_unnamed_addr #1 attributes #0 = { nounwind uwtable "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 "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: "case4.c", directory: "/", checksumkind: CSK_MD5, checksum: "6ffe3d1878ac05f79e8c3a30566e1b2a") !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: "merge_inl_and_non_inl", scope: !1, file: !1, line: 12, type: !10, scopeLine: 13, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !11) !10 = !DISubroutineType(types: !11) !11 = !{} !12 = !DILocation(line: 14, 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: 4, column: 9, scope: !18, inlinedAt: !19) !18 = distinct !DISubprogram(name: "inl5", scope: !1, file: !1, line: 3, type: !10, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !11) !19 = distinct !DILocation(line: 14, column: 8, scope: !9) !20 = !DILocation(line: 4, column: 7, scope: !18, inlinedAt: !19) !21 = !DILocation(line: 5, column: 5, scope: !18, inlinedAt: !19) !22 = !DILocation(line: 6, column: 12, scope: !18, inlinedAt: !19) !23 = !DILocation(line: 6, column: 18, scope: !18, inlinedAt: !19) !24 = !DILocation(line: 14, column: 6, scope: !9) !25 = !DILocation(line: 15, column: 7, scope: !9) !26 = !DILocation(line: 15, column: 10, scope: !9) !27 = !DILocation(line: 16, column: 5, scope: !9) !28 = !DILocation(line: 17, column: 3, scope: !9) !29 = !DISubprogram(name: "abort", scope: !30, file: !30, line: 514, type: !10, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !11) !30 = !DIFile(filename: "/usr/include/stdlib.h", directory: "", checksumkind: CSK_MD5, checksum: "f7a1412d75d9e3df251dfc21b02d59ef") ... --- name: merge_inl_and_non_inl 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) CMP32ri 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.inl5.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) CMP32mi $rip, 1, $noreg, @q2, $noreg, 6, implicit-def $eflags, debug-location !26 :: (dereferenceable load (s32) from @q2, !tbaa !13) JCC_1 %bb.4, 12, implicit killed $eflags, debug-location !25 JMP_1 %bb.3, debug-location !25 bb.3.if.then: successors: CALL64pcrel32 target-flags(x86-plt) @abort, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp, debug-location !27 bb.4.if.end: $eax = MOV32r0 implicit-def dead $eflags, debug-location !28 $rcx = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !28 frame-destroy CFI_INSTRUCTION def_cfa_offset 8, debug-location !28 RET 0, $eax, debug-location !28 ... # In this case we get a single abort call originating from an inlined instance # of inl5() and the function that is inlined in: # # 1 | #include # 2 | # 3 | static inline int inl5(int q, int n) { # 4 | if (q > 3) # 5 | abort(); # 6 | return q * 152 + n; # 7 | } # 8 | # 9 | int q1 = 1, q2 = 6; # 10 | int g1; # 11 | # 12 | int merge_inl_and_non_inl() # 13 | { # 14 | g1 = inl5(q1, 100); # 15 | if (q2 > 5) # 16 | abort(); # 17 | return 0; # 18 | } # # We should produce a location at line 0 in the most common scope, # merge_inl_and_non_inl(), without any inline information. # CHECK: [[INLINER:![0-9]+]] = distinct !DISubprogram(name: "merge_inl_and_non_inl" # CHECK-NOT: CALL64pcrel32 # CHECK: CALL64pcrel32 target-flags(x86-plt) @abort, {{.*}} debug-location !DILocation(line: 0, scope: [[INLINER]]) # CHECK-NOT: CALL64pcrel32