forked from OSchip/llvm-project
44 lines
1.1 KiB
LLVM
44 lines
1.1 KiB
LLVM
; RUN: llc -fcfi -cfi-type=sub <%s | FileCheck --check-prefix=SUB %s
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; RUN: llc -fcfi -cfi-type=add <%s | FileCheck --check-prefix=ADD %s
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; RUN: llc -fcfi -cfi-type=ror <%s | FileCheck --check-prefix=ROR %s
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target triple = "x86_64-unknown-linux-gnu"
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define void @indirect_fun() unnamed_addr jumptable {
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ret void
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}
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define i32 @m(void ()* %fun) {
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call void ()* %fun()
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; SUB: subl
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; SUB: andq $8
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; SUB-LABEL: leaq __llvm_jump_instr_table_0_1
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; SUB-LABEL: callq __llvm_cfi_pointer_warning
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; ROR: subq
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; ROR: rolq $61
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; ROR: testq
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; ROR-LABEL: callq __llvm_cfi_pointer_warning
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; ADD: andq $8
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; ADD-LABEL: leaq __llvm_jump_instr_table_0_1
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; ADD: cmpq
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; ADD-LABEL: callq __llvm_cfi_pointer_warning
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ret i32 0
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}
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define void ()* @get_fun() {
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ret void ()* @indirect_fun
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}
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define i32 @main(i32 %argc, i8** %argv) {
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%f = call void ()* ()* @get_fun()
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%a = call i32 @m(void ()* %f)
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ret i32 %a
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}
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; SUB: .text
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; SUB: .align 8
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; SUB-LABEL: .type __llvm_jump_instr_table_0_1,@function
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; SUB-LABEL:__llvm_jump_instr_table_0_1:
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; SUB-LABEL: jmp indirect_fun@PLT
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