forked from OSchip/llvm-project
61 lines
2.0 KiB
LLVM
61 lines
2.0 KiB
LLVM
; RUN: llc -march=bpfel -filetype=obj -o %t.el < %s
|
|
; RUN: llvm-objdump -r %t.el | FileCheck --check-prefix=RELOC %s
|
|
; RUN: llvm-objdump -d --no-show-raw-insn %t.el | FileCheck --check-prefix=DUMP %s
|
|
; RUN: llc -march=bpfeb -filetype=obj -o %t.eb < %s
|
|
; RUN: llvm-objdump -r %t.eb | FileCheck --check-prefix=RELOC %s
|
|
; RUN: llvm-objdump -d --no-show-raw-insn %t.eb | FileCheck --check-prefix=DUMP %s
|
|
|
|
; source code:
|
|
; static __attribute__((noinline)) __attribute__((section("sec1")))
|
|
; int add(int a, int b) {
|
|
; return a + b;
|
|
; }
|
|
; static __attribute__((noinline))
|
|
; int sub(int a, int b) {
|
|
; return a - b;
|
|
; }
|
|
; int test(int a, int b) {
|
|
; return add(a, b) + sub(a, b);
|
|
; }
|
|
; compilation flag:
|
|
; clang -target bpf -O2 -emit-llvm -S test.c
|
|
|
|
define dso_local i32 @test(i32 %a, i32 %b) local_unnamed_addr #0 {
|
|
entry:
|
|
%call = tail call fastcc i32 @add(i32 %a, i32 %b)
|
|
%call1 = tail call fastcc i32 @sub(i32 %a, i32 %b)
|
|
%add = add nsw i32 %call1, %call
|
|
ret i32 %add
|
|
}
|
|
|
|
define internal fastcc i32 @add(i32 %a, i32 %b) unnamed_addr #1 section "sec1" {
|
|
entry:
|
|
%add = add nsw i32 %b, %a
|
|
ret i32 %add
|
|
}
|
|
|
|
; Function Attrs: nofree noinline norecurse nosync nounwind readnone willreturn mustprogress
|
|
define internal fastcc i32 @sub(i32 %a, i32 %b) unnamed_addr #1 {
|
|
entry:
|
|
%sub = sub nsw i32 %a, %b
|
|
ret i32 %sub
|
|
}
|
|
|
|
; DUMP: .text:
|
|
; DUMP-EMPTY:
|
|
; DUMP-NEXT: <test>
|
|
; DUMP-NEXT: r[[#]] = r[[#]]
|
|
; DUMP-NEXT: r[[#]] = r[[#]]
|
|
; DUMP-NEXT: call -1
|
|
|
|
; DUMP: sec1:
|
|
; DUMP-EMPTY:
|
|
; DUMP-NEXT: <add>
|
|
|
|
; RELOC: RELOCATION RECORDS FOR [.text]:
|
|
; RELOC: R_BPF_64_32 sec1
|
|
; RELOC-NOT: R_BPF_64_32
|
|
|
|
attributes #0 = { nofree norecurse nosync nounwind readnone willreturn mustprogress "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }
|
|
attributes #1 = { nofree noinline norecurse nosync nounwind readnone willreturn mustprogress "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }
|