1 # Start after bbsections0-prepare and check that the BB address map is generated.
2 # RUN: llc -mtriple x86_64-unknown-linux-gnu -start-after=bbsections-prepare %s -o - | FileCheck %s -check-prefix=CHECK
4 # How to generate the input:
11 # clang -O0 -S -emit-llvm foo.cc
12 # llc < foo.ll -stop-after=bbsections-prepare -basic-block-sections=labels
14 # CHECK: .section .llvm_bb_addr_map,"o",@llvm_bb_addr_map,.text
16 ; ModuleID = '<stdin>'
17 source_filename = "/tmp/foo.cc"
18 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
19 target triple = "x86_64-pc-linux-gnu"
21 ; Function Attrs: mustprogress noinline nounwind optnone uwtable
22 define dso_local noundef i32 @_Z3foob(i1 noundef zeroext %0) #0 {
23 %2 = alloca i32, align 4
24 %3 = alloca i8, align 1
26 store i8 %4, i8* %3, align 1
27 %5 = load i8, i8* %3, align 1
28 %6 = trunc i8 %5 to i1
29 br i1 %6, label %7, label %8
32 store i32 1, i32* %2, align 4
36 store i32 0, i32* %2, align 4
40 %10 = load i32, i32* %2, align 4
44 attributes #0 = { mustprogress noinline nounwind optnone uwtable "frame-pointer"="all" "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" }
46 !llvm.module.flags = !{!0, !1, !2, !3, !4}
49 !0 = !{i32 1, !"wchar_size", i32 4}
50 !1 = !{i32 7, !"PIC Level", i32 2}
51 !2 = !{i32 7, !"PIE Level", i32 2}
52 !3 = !{i32 7, !"uwtable", i32 1}
53 !4 = !{i32 7, !"frame-pointer", i32 2}
54 !5 = !{!"Debian clang version 14.0.6-2"}
60 exposesReturnsTwice: false
62 regBankSelected: false
65 tracksRegLiveness: true
68 callsUnwindInit: false
72 failsVerification: false
73 tracksDebugUserValues: true
76 - { reg: '$edi', virtual-reg: '' }
78 isFrameAddressTaken: false
79 isReturnAddressTaken: false
90 cvBytesOfCalleeSavedRegisters: 0
91 hasOpaqueSPAdjustment: false
93 hasMustTailInVarArgFunc: false
99 - { id: 0, type: spill-slot, offset: -16, size: 8, alignment: 16, stack-id: default,
100 callee-saved-register: '', callee-saved-restored: true, debug-info-variable: '',
101 debug-info-expression: '', debug-info-location: '' }
103 - { id: 0, name: '', type: default, offset: -24, size: 4, alignment: 4,
104 stack-id: default, callee-saved-register: '', callee-saved-restored: true,
105 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
106 - { id: 1, name: '', type: default, offset: -17, size: 1, alignment: 1,
107 stack-id: default, callee-saved-register: '', callee-saved-restored: true,
108 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
110 debugValueSubstitutions: []
112 machineFunctionInfo: {}
114 bb.0 (%ir-block.1, bb_id 0):
115 successors: %bb.2(0x40000000), %bb.1(0x40000000)
118 frame-setup PUSH64r killed $rbp, implicit-def $rsp, implicit $rsp
119 frame-setup CFI_INSTRUCTION def_cfa_offset 16
120 frame-setup CFI_INSTRUCTION offset $rbp, -16
121 $rbp = frame-setup MOV64rr $rsp
122 frame-setup CFI_INSTRUCTION def_cfa_register $rbp
123 renamable $dil = AND8ri renamable $dil, 1, implicit-def dead $eflags, implicit killed $edi, implicit-def $edi
124 MOV8mr $rbp, 1, $noreg, -1, $noreg, renamable $dil, implicit killed $edi :: (store (s8) into %ir.3)
125 TEST8mi $rbp, 1, $noreg, -1, $noreg, 1, implicit-def $eflags :: (load (s8) from %ir.3)
126 JCC_1 %bb.2, 4, implicit killed $eflags
128 bb.1 (%ir-block.7, bb_id 1):
129 successors: %bb.3(0x80000000)
131 MOV32mi $rbp, 1, $noreg, -8, $noreg, 1 :: (store (s32) into %ir.2)
134 bb.2 (%ir-block.8, bb_id 2):
135 successors: %bb.3(0x80000000)
137 MOV32mi $rbp, 1, $noreg, -8, $noreg, 0 :: (store (s32) into %ir.2)
139 bb.3 (%ir-block.9, bb_id 3 2):
140 renamable $eax = MOV32rm $rbp, 1, $noreg, -8, $noreg :: (load (s32) from %ir.2)
141 $rbp = frame-destroy POP64r implicit-def $rsp, implicit $rsp
142 frame-destroy CFI_INSTRUCTION def_cfa $rsp, 8