diff options
Diffstat (limited to 'llvm/test/CodeGen/WinEH/seh-inlined-finally.ll')
| -rw-r--r-- | llvm/test/CodeGen/WinEH/seh-inlined-finally.ll | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/WinEH/seh-inlined-finally.ll b/llvm/test/CodeGen/WinEH/seh-inlined-finally.ll index 2e6171a8ced..54045f8d9f1 100644 --- a/llvm/test/CodeGen/WinEH/seh-inlined-finally.ll +++ b/llvm/test/CodeGen/WinEH/seh-inlined-finally.ll @@ -6,9 +6,18 @@ target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-pc-windows-msvc" +%struct._RTL_CRITICAL_SECTION = type { %struct._RTL_CRITICAL_SECTION_DEBUG*, i32, i32, i8*, i8*, i64 } +%struct._RTL_CRITICAL_SECTION_DEBUG = type { i16, i16, %struct._RTL_CRITICAL_SECTION*, %struct._LIST_ENTRY, i32, i32, i32, i16, i16 } +%struct._LIST_ENTRY = type { %struct._LIST_ENTRY*, %struct._LIST_ENTRY* } + declare i32 @puts(i8*) declare void @may_crash() declare i32 @__C_specific_handler(...) +declare i8* @llvm.framerecover(i8*, i8*, i32) #1 +declare i8* @llvm.frameaddress(i32) +declare void @llvm.frameescape(...) +declare dllimport void @EnterCriticalSection(%struct._RTL_CRITICAL_SECTION*) +declare dllimport void @LeaveCriticalSection(%struct._RTL_CRITICAL_SECTION*) define void @use_finally() { entry: @@ -33,3 +42,42 @@ lpad: ; preds = %entry ; CHECK-NEXT: cleanup ; CHECK-NEXT: call i8* (...) @llvm.eh.actions(i32 0, void (i8*, i8*)* @use_finally.cleanup) ; CHECK-NEXT: indirectbr i8* %recover, [] + +; Function Attrs: nounwind uwtable +define i32 @call_may_crash_locked() { +entry: + %p = alloca %struct._RTL_CRITICAL_SECTION, align 8 + call void (...) @llvm.frameescape(%struct._RTL_CRITICAL_SECTION* %p) + call void @EnterCriticalSection(%struct._RTL_CRITICAL_SECTION* %p) + invoke void @may_crash() + to label %invoke.cont unwind label %lpad + +invoke.cont: ; preds = %entry + %tmp2 = call i8* @llvm.frameaddress(i32 0) + %tmp3 = call i8* @llvm.framerecover(i8* bitcast (i32 ()* @call_may_crash_locked to i8*), i8* %tmp2, i32 0) #2 + %tmp6 = bitcast i8* %tmp3 to %struct._RTL_CRITICAL_SECTION* + call void @LeaveCriticalSection(%struct._RTL_CRITICAL_SECTION* %tmp6) + ret i32 42 + +lpad: ; preds = %entry + %tmp7 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) + cleanup + %tmp8 = call i8* @llvm.frameaddress(i32 0) + %tmp9 = call i8* @llvm.framerecover(i8* bitcast (i32 ()* @call_may_crash_locked to i8*), i8* %tmp8, i32 0) + %tmp12 = bitcast i8* %tmp9 to %struct._RTL_CRITICAL_SECTION* + call void @LeaveCriticalSection(%struct._RTL_CRITICAL_SECTION* %tmp12) + resume { i8*, i32 } %tmp7 +} + +; CHECK-LABEL: define i32 @call_may_crash_locked() +; CHECK: invoke void @may_crash() +; +; CHECK: landingpad +; CHECK-NEXT: cleanup +; CHECK-NEXT: call i8* (...) @llvm.eh.actions(i32 0, void (i8*, i8*)* @call_may_crash_locked.cleanup) +; CHECK-NEXT: indirectbr i8* %recover, [] + +; CHECK-LABEL: define internal void @call_may_crash_locked.cleanup(i8*, i8*) +; CHECK: %tmp9 = call i8* @llvm.framerecover(i8* bitcast (i32 ()* @call_may_crash_locked to i8*), i8* %1, i32 0) +; CHECK: %tmp12 = bitcast i8* %tmp9 to %struct._RTL_CRITICAL_SECTION* +; CHECK: call void @LeaveCriticalSection(%struct._RTL_CRITICAL_SECTION* %tmp12) |

