llvm-project/lld/test/MachO/icf-safe.s

59 lines
1.8 KiB
ArmAsm

; RUN: rm -rf %t; mkdir %t
; RUN: llc -filetype=obj %s -O3 -o %t/icf-obj.o -enable-machine-outliner=never -mtriple arm64-apple-ios -addrsig
; RUN: %lld -arch arm64 -lSystem --icf=safe -dylib -o %t/icf-safe.dylib %t/icf-obj.o
; RUN: %lld -arch arm64 -lSystem --icf=all -dylib -o %t/icf-all.dylib %t/icf-obj.o
; RUN: llvm-objdump %t/icf-safe.dylib -d --macho | FileCheck %s --check-prefix=ICFSAFE
; RUN: llvm-objdump %t/icf-all.dylib -d --macho | FileCheck %s --check-prefix=ICFALL
; ICFSAFE-LABEL: _callAllFunctions
; ICFSAFE: bl _func02
; ICFSAFE-NEXT: bl _func02
; ICFSAFE-NEXT: bl _func03_takeaddr
; ICFALL-LABEL: _callAllFunctions
; ICFALL: bl _func03_takeaddr
; ICFALL-NEXT: bl _func03_takeaddr
; ICFALL-NEXT: bl _func03_takeaddr
; REQUIRES: aarch64
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
target triple = "arm64-apple-ios7.0.0"
@result = global i32 0, align 4
define void @func01() local_unnamed_addr noinline {
entry:
%0 = load volatile i32, ptr @result, align 4
%add = add nsw i32 %0, 1
store volatile i32 %add, ptr @result, align 4
ret void
}
define void @func02() local_unnamed_addr noinline {
entry:
%0 = load volatile i32, ptr @result, align 4
%add = add nsw i32 %0, 1
store volatile i32 %add, ptr @result, align 4
ret void
}
define void @func03_takeaddr() noinline {
entry:
%0 = load volatile i32, ptr @result, align 4
%add = add nsw i32 %0, 1
store volatile i32 %add, ptr @result, align 4
ret void
}
define void @callAllFunctions() local_unnamed_addr {
entry:
tail call void @func01()
tail call void @func02()
tail call void @func03_takeaddr()
%0 = load volatile i32, ptr @result, align 4
%add = add nsw i32 %0, ptrtoint (ptr @func03_takeaddr to i32)
store volatile i32 %add, ptr @result, align 4
ret void
}