| # RUN: llc -emit-call-site-info -mtriple=x86_64-pc-linux -run-pass=unreachable-mbb-elimination -o - %s | FileCheck %s |
| |
| # Verify that the call site information for the call residing in the eliminated |
| # block is removed. This test case would previously trigger an assertion when |
| # deleting the call instruction. |
| |
| # CHECK: name: main |
| # CHECK: callSites: [] |
| |
| --- | |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; Function Attrs: nounwind uwtable |
| define i32 @main() !dbg !12 { |
| unreachable |
| } |
| |
| declare !dbg !4 void @foo() |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!8, !9, !10} |
| !llvm.ident = !{!11} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 9.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None) |
| !1 = !DIFile(filename: "unreachable.c", directory: "/") |
| !2 = !{} |
| !3 = !{!4} |
| !4 = !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) |
| !5 = !DISubroutineType(types: !6) |
| !6 = !{null} |
| !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !8 = !{i32 2, !"Dwarf Version", i32 4} |
| !9 = !{i32 2, !"Debug Info Version", i32 3} |
| !10 = !{i32 1, !"wchar_size", i32 4} |
| !11 = !{!"clang version 9.0.0"} |
| !12 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 3, type: !13, scopeLine: 3, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) |
| !13 = !DISubroutineType(types: !14) |
| !14 = !{!7} |
| !15 = distinct !DILexicalBlock(scope: !12, file: !1, line: 4, column: 7) |
| !16 = !DILocation(line: 4, column: 7, scope: !12) |
| !17 = !DILocation(line: 5, column: 5, scope: !15) |
| !18 = !DILocation(line: 6, column: 3, scope: !12) |
| |
| ... |
| --- |
| name: main |
| tracksRegLiveness: true |
| callSites: |
| - { bb: 1, offset: 0 } |
| body: | |
| bb.0: |
| successors: %bb.2(0x80000000) |
| |
| frame-setup PUSH64r undef $rax, implicit-def $rsp, implicit $rsp |
| CFI_INSTRUCTION def_cfa_offset 16 |
| JMP_1 %bb.2, debug-location !16 |
| |
| bb.1: |
| CALL64pcrel32 @foo, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp, debug-location !17 |
| |
| bb.2: |
| $eax = XOR32rr undef $eax, undef $eax, implicit-def dead $eflags, debug-location !18 |
| $rcx = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !18 |
| CFI_INSTRUCTION def_cfa_offset 8, debug-location !18 |
| RETQ killed $eax, debug-location !18 |
| |
| ... |