forked from OSchip/llvm-project
79 lines
2.2 KiB
ArmAsm
79 lines
2.2 KiB
ArmAsm
# This test verifies the effect of -icp-inline option: that ICP is only
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# performed for call targets eligible for inlining.
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# The assembly was produced from C code compiled with clang-15 -O1 -S:
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# int foo(int x) { return x + 1; }
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# int bar(int x) { return x*100 + 42; }
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# typedef int (*const fn)(int);
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# fn funcs[] = { foo, bar };
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#
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# int main(int argc, char *argv[]) {
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# fn func = funcs[argc];
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# return func(0);
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# }
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# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %s -o %t.o
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# RUN: link_fdata %s %t.o %t.fdata
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# RUN: llvm-strip --strip-unneeded %t.o
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# RUN: %clang %cflags %t.o -o %t.exe -Wl,-q -nostdlib -pie
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# Without -icp-inline option, ICP is performed
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# RUN: llvm-bolt %t.exe --icp=calls --icp-calls-topn=1 --inline-small-functions\
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# RUN: -o /dev/null --lite=0 \
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# RUN: --inline-small-functions-bytes=4 --print-icp --data %t.fdata \
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# RUN: | FileCheck %s --check-prefix=CHECK-NO-ICP-INLINE
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# CHECK-NO-ICP-INLINE: Binary Function "main" after indirect-call-promotion
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# CHECK-NO-ICP-INLINE: callq bar
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# CHECK-NO-ICP-INLINE: End of Function "main"
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# With -icp-inline option, ICP is not performed (size of bar > inline threshold)
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# RUN: llvm-bolt %t.exe --icp=calls --icp-calls-topn=1 --inline-small-functions\
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# RUN: -o /dev/null --lite=0 \
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# RUN: --inline-small-functions-bytes=4 --icp-inline --print-icp \
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# RUN: --data %t.fdata | FileCheck %s --check-prefix=CHECK-ICP-INLINE
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# CHECK-ICP-INLINE: Binary Function "main" after indirect-call-promotion
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# CHECK-ICP-INLINE: callq *(%rcx,%rax,8)
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# CHECK-ICP-INLINE-NOT: callq bar
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# CHECK-ICP-INLINE: End of Function "main"
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.globl bar
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bar:
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.cfi_startproc
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imull $0x64, %edi, %eax
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addl $0x2a, %eax
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retq
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.cfi_endproc
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.size bar, .-bar
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.globl foo
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foo:
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.cfi_startproc
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leal 0x1(%rdi), %eax
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retq
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.cfi_endproc
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.size foo, .-foo
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.globl main
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main:
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.cfi_startproc
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pushq %rax
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.cfi_def_cfa_offset 16
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movslq %edi, %rax
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leaq funcs(%rip), %rcx
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xorl %edi, %edi
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LBB00_br:
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callq *(%rcx,%rax,8)
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# FDATA: 1 main #LBB00_br# 1 foo 0 0 1
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# FDATA: 1 main #LBB00_br# 1 bar 0 0 2
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popq %rcx
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.cfi_def_cfa_offset 8
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retq
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.cfi_endproc
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.size main, .-main
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.data
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.globl funcs
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funcs:
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.quad foo
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.quad bar
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