xref: /llvm-project/llvm/test/Transforms/AtomicExpand/X86/expand-atomic-libcall.ll (revision fe42e72db29e48aa81eac2aa922afd90a7f01517)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S -mtriple=i686-linux-gnu -passes=atomic-expand %s | FileCheck %s
3
4
5define i256 @atomic_load256_libcall(ptr %ptr) nounwind {
6; CHECK-LABEL: @atomic_load256_libcall(
7; CHECK-NEXT:    [[TMP1:%.*]] = alloca i256, align 16
8; CHECK-NEXT:    call void @llvm.lifetime.start.p0(i64 32, ptr [[TMP1]])
9; CHECK-NEXT:    call void @__atomic_load(i32 32, ptr [[PTR:%.*]], ptr [[TMP1]], i32 0)
10; CHECK-NEXT:    [[TMP2:%.*]] = load i256, ptr [[TMP1]], align 16
11; CHECK-NEXT:    call void @llvm.lifetime.end.p0(i64 32, ptr [[TMP1]])
12; CHECK-NEXT:    ret i256 [[TMP2]]
13;
14  %result = load atomic i256, ptr %ptr unordered, align 16
15  ret i256 %result
16}
17
18define i256 @atomic_load256_libcall_as1(ptr addrspace(1) %ptr) nounwind {
19; CHECK-LABEL: @atomic_load256_libcall_as1(
20; CHECK-NEXT:    [[TMP1:%.*]] = addrspacecast ptr addrspace(1) [[PTR:%.*]] to ptr
21; CHECK-NEXT:    [[TMP2:%.*]] = alloca i256, align 16
22; CHECK-NEXT:    call void @llvm.lifetime.start.p0(i64 32, ptr [[TMP2]])
23; CHECK-NEXT:    call void @__atomic_load(i32 32, ptr [[TMP1]], ptr [[TMP2]], i32 0)
24; CHECK-NEXT:    [[TMP3:%.*]] = load i256, ptr [[TMP2]], align 16
25; CHECK-NEXT:    call void @llvm.lifetime.end.p0(i64 32, ptr [[TMP2]])
26; CHECK-NEXT:    ret i256 [[TMP3]]
27;
28  %result = load atomic i256, ptr addrspace(1) %ptr unordered, align 16
29  ret i256 %result
30}
31