ed4194bb8d
This will result in larger atomic operations getting expanded to `__atomic_*` libcalls via AtomicExpandPass, which matches what Clang already does in the frontend.
44 lines
1.1 KiB
LLVM
44 lines
1.1 KiB
LLVM
; RUN: llc -mtriple=i386-linux-gnu -mcpu=i386 %s -o - | FileCheck %s
|
|
|
|
define i64 @test_add(ptr %addr, i64 %inc) {
|
|
; CHECK-LABEL: test_add:
|
|
; CHECK: calll __atomic_fetch_add_8
|
|
%old = atomicrmw add ptr %addr, i64 %inc seq_cst
|
|
ret i64 %old
|
|
}
|
|
|
|
define i64 @test_sub(ptr %addr, i64 %inc) {
|
|
; CHECK-LABEL: test_sub:
|
|
; CHECK: calll __atomic_fetch_sub_8
|
|
%old = atomicrmw sub ptr %addr, i64 %inc seq_cst
|
|
ret i64 %old
|
|
}
|
|
|
|
define i64 @test_and(ptr %andr, i64 %inc) {
|
|
; CHECK-LABEL: test_and:
|
|
; CHECK: calll __atomic_fetch_and_8
|
|
%old = atomicrmw and ptr %andr, i64 %inc seq_cst
|
|
ret i64 %old
|
|
}
|
|
|
|
define i64 @test_or(ptr %orr, i64 %inc) {
|
|
; CHECK-LABEL: test_or:
|
|
; CHECK: calll __atomic_fetch_or_8
|
|
%old = atomicrmw or ptr %orr, i64 %inc seq_cst
|
|
ret i64 %old
|
|
}
|
|
|
|
define i64 @test_xor(ptr %xorr, i64 %inc) {
|
|
; CHECK-LABEL: test_xor:
|
|
; CHECK: calll __atomic_fetch_xor_8
|
|
%old = atomicrmw xor ptr %xorr, i64 %inc seq_cst
|
|
ret i64 %old
|
|
}
|
|
|
|
define i64 @test_nand(ptr %nandr, i64 %inc) {
|
|
; CHECK-LABEL: test_nand:
|
|
; CHECK: calll __atomic_fetch_nand_8
|
|
%old = atomicrmw nand ptr %nandr, i64 %inc seq_cst
|
|
ret i64 %old
|
|
}
|