forked from OSchip/llvm-project
228 lines
12 KiB
LLVM
228 lines
12 KiB
LLVM
; RUN: llc -basic-block-sections=all -mtriple x86_64-pc-linux-gnu -code-model=small < %s | FileCheck %s --check-prefixes=CHECK,CHECK-SMALL,CHECK-NON-PIC,CHECK-NON-PIC-SMALL,CHECK-NON-PIC-X64
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; RUN: llc -basic-block-sections=all -mtriple x86_64-pc-linux-gnux32 -code-model=small < %s | FileCheck %s --check-prefixes=CHECK,CHECK-SMALL,CHECK-NON-PIC,CHECK-NON-PIC-SMALL,CHECK-NON-PIC-X32
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; RUN: llc -basic-block-sections=all -mtriple x86_64-pc-linux-gnu -code-model=medium < %s | FileCheck %s --check-prefixes=CHECK,CHECK-MEDIUM,CHECK-NON-PIC,CHECK-NON-PIC-MEDIUM,CHECK-NON-PIC-X64
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; RUN: llc -basic-block-sections=all -mtriple x86_64-pc-linux-gnu -code-model=large < %s | FileCheck %s --check-prefixes=CHECK,CHECK-NON-PIC,CHECK-NON-PIC-LARGE,CHECK-NON-PIC-X64
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; RUN: llc -basic-block-sections=all -mtriple x86_64-pc-linux-gnu -relocation-model=pic -code-model=small < %s | FileCheck %s --check-prefixes=CHECK,CHECK-SMALL,CHECK-PIC,CHECK-PIC-SMALL,CHECK-PIC-X64
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; RUN: llc -basic-block-sections=all -mtriple x86_64-pc-linux-gnux32 -relocation-model=pic -code-model=small < %s | FileCheck %s --check-prefixes=CHECK,CHECK-SMALL,CHECK-PIC,CHECK-PIC-SMALL,CHECK-PIC-X32
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; RUN: llc -basic-block-sections=all -mtriple x86_64-pc-linux-gnu -relocation-model=pic -code-model=medium < %s | FileCheck %s --check-prefixes=CHECK,CHECK-MEDIUM,CHECK-PIC,CHECK-PIC-MEDIUM,CHECK-PIC-X64
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; RUN: llc -basic-block-sections=all -mtriple x86_64-pc-linux-gnu -relocation-model=pic -code-model=large < %s | FileCheck %s --check-prefixes=CHECK,CHECK-PIC,CHECK-PIC-LARGE,CHECK-PIC-X64
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@_ZTIi = external constant i8*
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define i32 @main() uwtable optsize ssp personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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; Verify that each basic block section gets its own LSDA exception symbol.
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;
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; CHECK-LABEL: main:
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; CHECK-NEXT: .Lfunc_begin0:
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; CHECK-NEXT: .cfi_startproc
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;; Verify personality function and LSDA encoding for NON-PIC mode.
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; PersonalityEncoding = dwarf::DW_EH_PE_udata4 (small/medium)
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; PersonalityEncoding = dwarf::DW_EH_PE_absptr (large)
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; CHECK-NON-PIC-SMALL-NEXT: .cfi_personality 3, __gxx_personality_v0
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; CHECK-NON-PIC-MEDIUM-NEXT: .cfi_personality 3, __gxx_personality_v0
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; CHECK-NON-PIC-LARGE-NEXT: .cfi_personality 0, __gxx_personality_v0
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; LSDAEncoding = dwarf::DW_EH_PE_udata4 (small)
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; LSDAEncoding = dwarf::DW_EH_PE_absptr (medium/large)
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; CHECK-NON-PIC-SMALL-NEXT: .cfi_lsda 3, .Lexception0
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; CHECK-NON-PIC-MEDIUM-NEXT: .cfi_lsda 0, .Lexception0
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; CHECK-NON-PIC-LARGE-NEXT: .cfi_lsda 0, .Lexception0
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;; Verify personality function and LSDA encoding for PIC mode.
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; PersonalityEncoding = DW_EH_PE_indirect | DW_EH_PE_pcrel | DW_EH_PE_sdata4 (small/medium)
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; PersonalityEncoding = DW_EH_PE_indirect | DW_EH_PE_pcrel | DW_EH_PE_sdata8 (large)
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; CHECK-PIC-SMALL-NEXT: .cfi_personality 155, DW.ref.__gxx_personality_v0
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; CHECK-PIC-MEDIUM-NEXT: .cfi_personality 155, DW.ref.__gxx_personality_v0
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; CHECK-PIC-LARGE-NEXT: .cfi_personality 156, DW.ref.__gxx_personality_v0
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; LSDAEncoding = DW_EH_PE_pcrel | DW_EH_PE_sdata4 (small)
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; LSDAEncoding = DW_EH_PE_pcrel | DW_EH_PE_sdata8 (medium/large)
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; CHECK-PIC-SMALL-NEXT: .cfi_lsda 27, .Lexception0
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; CHECK-PIC-MEDIUM-NEXT: .cfi_lsda 28, .Lexception0
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; CHECK-PIC-LARGE-NEXT: .cfi_lsda 28, .Lexception0
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; CHECK-LABEL: .Ltmp0:
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; CHECK-SMALL-NEXT: callq _Z1fv
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; CHECK-MEDIUM-NEXT: callq _Z1fv
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; CHECK-NON-PIC-LARGE-NEXT: movabsq $_Z1fv, %rax
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; CHECK-NON-PIC-LARGE-NEXT: callq *%rax
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; CHECK-PIC-LARGE-NEXT: movabsq $_Z1fv@GOT, %rax
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; CHECK-PIC-LARGE-NEXT: callq *(%rbx,%rax)
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; CHECK-LABEL: .Ltmp1:
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; CHECK-NOT: .cfi_lsda
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; CHECK-LABEL: main.__part.1:
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; CHECK-NEXT: .cfi_startproc
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; CHECK-NON-PIC-SMALL-NEXT: .cfi_personality 3, __gxx_personality_v0
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; CHECK-NON-PIC-MEDIUM-NEXT: .cfi_personality 3, __gxx_personality_v0
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; CHECK-NON-PIC-LARGE-NEXT: .cfi_personality 0, __gxx_personality_v0
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; CHECK-NON-PIC-SMALL-NEXT: .cfi_lsda 3, .Lexception1
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; CHECK-NON-PIC-MEDIUM-NEXT: .cfi_lsda 0, .Lexception1
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; CHECK-NON-PIC-LARGE-NEXT: .cfi_lsda 0, .Lexception1
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; CHECK-PIC-SMALL-NEXT: .cfi_personality 155, DW.ref.__gxx_personality_v0
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; CHECK-PIC-MEDIUM-NEXT: .cfi_personality 155, DW.ref.__gxx_personality_v0
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; CHECK-PIC-LARGE-NEXT: .cfi_personality 156, DW.ref.__gxx_personality_v0
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; CHECK-PIC-SMALL-NEXT: .cfi_lsda 27, .Lexception1
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; CHECK-PIC-MEDIUM-NEXT: .cfi_lsda 28, .Lexception1
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; CHECK-PIC-LARGE-NEXT: .cfi_lsda 28, .Lexception1
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; CHECK-NOT: .cfi_lsda
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; CHECK-LABEL: main.__part.2:
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; CHECK-NEXT: .cfi_startproc
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; CHECK-NON-PIC-SMALL-NEXT: .cfi_personality 3, __gxx_personality_v0
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; CHECK-NON-PIC-MEDIUM-NEXT: .cfi_personality 3, __gxx_personality_v0
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; CHECK-NON-PIC-LARGE-NEXT: .cfi_personality 0, __gxx_personality_v0
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; CHECK-NON-PIC-SMALL-NEXT: .cfi_lsda 3, .Lexception2
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; CHECK-NON-PIC-MEDIUM-NEXT: .cfi_lsda 0, .Lexception2
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; CHECK-NON-PIC-LARGE-NEXT: .cfi_lsda 0, .Lexception2
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; CHECK-PIC-SMALL-NEXT: .cfi_personality 155, DW.ref.__gxx_personality_v0
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; CHECK-PIC-MEDIUM-NEXT: .cfi_personality 155, DW.ref.__gxx_personality_v0
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; CHECK-PIC-LARGE-NEXT: .cfi_personality 156, DW.ref.__gxx_personality_v0
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; CHECK-PIC-SMALL-NEXT: .cfi_lsda 27, .Lexception2
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; CHECK-PIC-MEDIUM-NEXT: .cfi_lsda 28, .Lexception2
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; CHECK-PIC-LARGE-NEXT: .cfi_lsda 28, .Lexception2
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; CHECK: nop
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; CHECK-LABEL: .Ltmp2:
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; CHECK-LABEL: .LBB_END0_2:
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; CHECK-NOT: .cfi_lsda
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entry:
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invoke void @_Z1fv() optsize
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to label %try.cont unwind label %lpad
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lpad:
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%0 = landingpad { i8*, i32 }
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cleanup
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catch i8* bitcast (i8** @_ZTIi to i8*)
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br label %eh.resume
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try.cont:
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ret i32 0
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eh.resume:
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resume { i8*, i32 } %0
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}
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declare void @_Z1fv() optsize
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declare i32 @__gxx_personality_v0(...)
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;; Verify that the exception table gets split across the three basic block sections.
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;
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; CHECK: .section .gcc_except_table
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; CHECK-NEXT: .p2align 2
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; CHECK-NEXT: GCC_except_table0:
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; CHECK-NEXT: .Lexception0:
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;; Verify @LPStart encoding for NON-PIC mode.
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; CHECK-NON-PIC-NEXT: .byte 0 # @LPStart Encoding = absptr
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; CHECK-NON-PIC-X64-NEXT: .quad main.__part.2
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; CHECK-NON-PIC-X32-NEXT: .long main.__part.2
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;; Verify @LPStart encoding for PIC mode.
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; CHECK-PIC-NEXT: .byte 16 # @LPStart Encoding = pcrel
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; CHECK-PIC-NEXT: [[DOT:\.Ltmp[0-9]+]]:
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; CHECK-PIC-X64-NEXT: .quad main.__part.2-[[DOT]]
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; CHECK-PIC-X32-NEXT: .long main.__part.2-[[DOT]]
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;; Verify @TType encoding for NON-PIC mode.
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; CHECK-NON-PIC-SMALL-NEXT: .byte 3 # @TType Encoding = udata4
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; CHECK-NON-PIC-MEDIUM-NEXT: .byte 0 # @TType Encoding = absptr
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; CHECK-NON-PIC-LARGE-NEXT: .byte 0 # @TType Encoding = absptr
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;; Verify @TType encoding for PIC mode.
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; CHECK-PIC-SMALL-NEXT: .byte 155 # @TType Encoding = indirect pcrel sdata4
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; CHECK-PIC-MEDIUM-NEXT:.byte 155 # @TType Encoding = indirect pcrel sdata4
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; CHECK-PIC-LARGE-NEXT: .byte 156 # @TType Encoding = indirect pcrel sdata8
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; CHECK-NEXT: .uleb128 .Lttbase0-.Lttbaseref0
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; CHECK-NEXT: .Lttbaseref0:
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; CHECK-NEXT: .byte 1 # Call site Encoding = uleb128
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; CHECK-NEXT: .uleb128 .Laction_table_base0-.Lcst_begin0
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; CHECK-NEXT: .Lcst_begin0:
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; CHECK-NEXT: .uleb128 .Ltmp0-.Lfunc_begin0 # >> Call Site 1 <<
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; CHECK-NEXT: .uleb128 .Ltmp1-.Ltmp0 # Call between .Ltmp0 and .Ltmp1
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; CHECK-NEXT: .uleb128 .Ltmp2-main.__part.2 # jumps to .Ltmp2
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; CHECK-NEXT: .byte 3 # On action: 2
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; CHECK-NEXT: .p2align 2
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; CHECK-NEXT: .Lexception1:
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; CHECK-NON-PIC-NEXT: .byte 0 # @LPStart Encoding = absptr
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; CHECK-NON-PIC-X64-NEXT: .quad main.__part.2
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; CHECK-NON-PIC-X32-NEXT: .long main.__part.2
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; CHECK-PIC-NEXT: .byte 16 # @LPStart Encoding = pcrel
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; CHECK-PIC-NEXT: [[DOT:\.Ltmp[0-9]+]]:
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; CHECK-PIC-X64-NEXT: .quad main.__part.2-[[DOT]]
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; CHECK-PIC-X32-NEXT: .long main.__part.2-[[DOT]]
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; CHECK-NON-PIC-SMALL-NEXT: .byte 3 # @TType Encoding = udata4
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; CHECK-NON-PIC-MEDIUM-NEXT: .byte 0 # @TType Encoding = absptr
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; CHECK-NON-PIC-LARGE-NEXT: .byte 0 # @TType Encoding = absptr
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; CHECK-PIC-SMALL-NEXT: .byte 155 # @TType Encoding = indirect pcrel sdata4
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; CHECK-PIC-MEDIUM-NEXT:.byte 155 # @TType Encoding = indirect pcrel sdata4
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; CHECK-PIC-LARGE-NEXT: .byte 156 # @TType Encoding = indirect pcrel sdata8
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; CHECK-NEXT: .uleb128 .Lttbase0-.Lttbaseref1
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; CHECK-NEXT: .Lttbaseref1:
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; CHECK-NEXT: .byte 1 # Call site Encoding = uleb128
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; CHECK-NEXT: .uleb128 .Laction_table_base0-.Lcst_begin1
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; CHECK-NEXT: .Lcst_begin1:
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; CHECK-NEXT: .p2align 2
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; CHECK-NEXT: .Lexception2:
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; CHECK-NON-PIC-NEXT: .byte 0 # @LPStart Encoding = absptr
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; CHECK-NON-PIC-X64-NEXT: .quad main.__part.2
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; CHECK-NON-PIC-X32-NEXT: .long main.__part.2
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; CHECK-PIC-NEXT: .byte 16 # @LPStart Encoding = pcrel
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; CHECK-PIC-NEXT: [[DOT:\.Ltmp[0-9]+]]:
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; CHECK-PIC-X64-NEXT: .quad main.__part.2-[[DOT]]
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; CHECK-PIC-X32-NEXT: .long main.__part.2-[[DOT]]
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; CHECK-NON-PIC-SMALL-NEXT: .byte 3 # @TType Encoding = udata4
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; CHECK-NON-PIC-MEDIUM-NEXT: .byte 0 # @TType Encoding = absptr
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; CHECK-NON-PIC-LARGE-NEXT: .byte 0 # @TType Encoding = absptr
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; CHECK-PIC-SMALL-NEXT: .byte 155 # @TType Encoding = indirect pcrel sdata4
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; CHECK-PIC-MEDIUM-NEXT: .byte 155 # @TType Encoding = indirect pcrel sdata4
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; CHECK-PIC-LARGE-NEXT: .byte 156 # @TType Encoding = indirect pcrel sdata8
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; CHECK-NEXT: .uleb128 .Lttbase0-.Lttbaseref2
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; CHECK-NEXT: .Lttbaseref2:
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; CHECK-NEXT: .byte 1 # Call site Encoding = uleb128
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; CHECK-NEXT: .uleb128 .Laction_table_base0-.Lcst_begin2
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; CHECK-NEXT: .Lcst_begin2:
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; CHECK-NEXT: .uleb128 main.__part.2-main.__part.2 # >> Call Site 2 <<
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; CHECK-NEXT: .uleb128 .LBB_END0_2-main.__part.2 # Call between main.__part.2 and .LBB_END0_2
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; CHECK-NEXT: .byte 0 # has no landing pad
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; CHECK-NEXT: .byte 0 # On action: cleanup
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; CHECK-NEXT: .Laction_table_base0:
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; CHECK-NEXT: .byte 0 # >> Action Record 1 <<
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; CHECK-NEXT: # Cleanup
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; CHECK-NEXT: .byte 0 # No further actions
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; CHECK-NEXT: .byte 1 # >> Action Record 2 <<
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; CHECK-NEXT: # Catch TypeInfo 1
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; CHECK-NEXT: .byte 125 # Continue to action 1
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; CHECK-NEXT: .p2align 2
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; CHECK-NEXT: # >> Catch TypeInfos <<
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; CHECK-NON-PIC-SMALL-NEXT: .long _ZTIi # TypeInfo 1
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; CHECK-NON-PIC-MEDIUM-NEXT: .quad _ZTIi # TypeInfo 1
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; CHECK-NON-PIC-LARGE-NEXT: .quad _ZTIi # TypeInfo 1
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; CHECK-PIC-NEXT: [[DOT:\.Ltmp[0-9]+]]:
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; CHECK-PIC-SMALL-NEXT: .long .L_ZTIi.DW.stub-[[DOT]]
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; CHECK-PIC-MEDIUM-NEXT: .long .L_ZTIi.DW.stub-[[DOT]]
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; CHECK-PIC-LARGE-NEXT: .quad .L_ZTIi.DW.stub-[[DOT]]
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; CHECK-NEXT: .Lttbase0:
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; CHECK-NEXT: .p2align 2
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; CHECK-NEXT: # -- End function
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