forked from OSchip/llvm-project
35 lines
977 B
LLVM
35 lines
977 B
LLVM
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; RUN: llc -mtriple=i386-unknown-linux-gnu -fcfi -cfi-enforcing <%s | FileCheck --check-prefix=X86 %s
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; RUN: llc -mtriple=x86_64-unknown-linux-gnu -fcfi -cfi-enforcing <%s | FileCheck --check-prefix=X86-64 %s
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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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; CHECK: subl
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; X86-64: andq $8,
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; X86-64: leaq __llvm_jump_instr_table_0_1({{%[a-z0-9]+}}), [[REG:%[a-z0-9]+]]
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; X86-64-NOT: callq __llvm_cfi_pointer_warning
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; X86-64: callq *[[REG]]
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; X86: andl $8,
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; X86: leal __llvm_jump_instr_table_0_1({{%[a-z0-9]+}}), [[REG:%[a-z0-9]+]]
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; X86-NOT: calll __llvm_cfi_pointer_warning
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; X86: calll *[[REG]]
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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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; CHECK: .align 8
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; CHECK: __llvm_jump_instr_table_0_1:
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; CHECK: jmp indirect_fun@PLT
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