forked from OSchip/llvm-project
84 lines
3.5 KiB
LLVM
84 lines
3.5 KiB
LLVM
; RUN: opt -S -winehprepare -mtriple=x86_64-pc-windows-msvc < %s | FileCheck %s
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; RUN: opt -S -winehprepare -mtriple=x86_64-pc-windows-coreclr < %s | FileCheck %s
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; Check that things work when the mid-level optimizer inlines the finally
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; block.
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target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
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%struct._RTL_CRITICAL_SECTION = type { %struct._RTL_CRITICAL_SECTION_DEBUG*, i32, i32, i8*, i8*, i64 }
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%struct._RTL_CRITICAL_SECTION_DEBUG = type { i16, i16, %struct._RTL_CRITICAL_SECTION*, %struct._LIST_ENTRY, i32, i32, i32, i16, i16 }
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%struct._LIST_ENTRY = type { %struct._LIST_ENTRY*, %struct._LIST_ENTRY* }
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declare i32 @puts(i8*)
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declare void @may_crash()
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declare i32 @__C_specific_handler(...)
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declare i8* @llvm.localrecover(i8*, i8*, i32) #1
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declare i8* @llvm.localaddress()
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declare void @llvm.localescape(...)
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declare dllimport void @EnterCriticalSection(%struct._RTL_CRITICAL_SECTION*)
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declare dllimport void @LeaveCriticalSection(%struct._RTL_CRITICAL_SECTION*)
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define void @use_finally() personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) {
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entry:
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invoke void @may_crash()
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to label %invoke.cont unwind label %lpad
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invoke.cont: ; preds = %entry
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%call.i = tail call i32 @puts(i8* null)
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ret void
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lpad: ; preds = %entry
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%0 = landingpad { i8*, i32 }
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cleanup
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%call.i2 = tail call i32 @puts(i8* null)
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resume { i8*, i32 } %0
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}
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; CHECK-LABEL: define void @use_finally()
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; CHECK: invoke void @may_crash()
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;
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; CHECK: landingpad
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; CHECK-NEXT: cleanup
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; CHECK-NEXT: call i8* (...) @llvm.eh.actions(i32 0, void (i8*, i8*)* @use_finally.cleanup)
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; CHECK-NEXT: indirectbr i8* %recover, []
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; Function Attrs: nounwind uwtable
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define i32 @call_may_crash_locked() personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) {
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entry:
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%p = alloca %struct._RTL_CRITICAL_SECTION, align 8
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call void (...) @llvm.localescape(%struct._RTL_CRITICAL_SECTION* %p)
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call void @EnterCriticalSection(%struct._RTL_CRITICAL_SECTION* %p)
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invoke void @may_crash()
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to label %invoke.cont unwind label %lpad
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invoke.cont: ; preds = %entry
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%tmp2 = call i8* @llvm.localaddress()
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%tmp3 = call i8* @llvm.localrecover(i8* bitcast (i32 ()* @call_may_crash_locked to i8*), i8* %tmp2, i32 0) #2
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%tmp6 = bitcast i8* %tmp3 to %struct._RTL_CRITICAL_SECTION*
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call void @LeaveCriticalSection(%struct._RTL_CRITICAL_SECTION* %tmp6)
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ret i32 42
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lpad: ; preds = %entry
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%tmp7 = landingpad { i8*, i32 }
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cleanup
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%tmp8 = call i8* @llvm.localaddress()
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%tmp9 = call i8* @llvm.localrecover(i8* bitcast (i32 ()* @call_may_crash_locked to i8*), i8* %tmp8, i32 0)
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%tmp12 = bitcast i8* %tmp9 to %struct._RTL_CRITICAL_SECTION*
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call void @LeaveCriticalSection(%struct._RTL_CRITICAL_SECTION* %tmp12)
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resume { i8*, i32 } %tmp7
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}
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; CHECK-LABEL: define i32 @call_may_crash_locked()
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; CHECK: invoke void @may_crash()
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;
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; CHECK: landingpad
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; CHECK-NEXT: cleanup
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; CHECK-NEXT: call i8* (...) @llvm.eh.actions(i32 0, void (i8*, i8*)* @call_may_crash_locked.cleanup)
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; CHECK-NEXT: indirectbr i8* %recover, []
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; CHECK-LABEL: define internal void @call_may_crash_locked.cleanup(i8*, i8*)
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; CHECK: %tmp9 = call i8* @llvm.localrecover(i8* bitcast (i32 ()* @call_may_crash_locked to i8*), i8* %1, i32 0)
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; CHECK: %tmp12 = bitcast i8* %tmp9 to %struct._RTL_CRITICAL_SECTION*
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; CHECK: call void @LeaveCriticalSection(%struct._RTL_CRITICAL_SECTION* %tmp12)
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