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https://github.com/RPCS3/llvm-mirror.git
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3420b345f9
Although targeting CoreCLR is similar to targeting MSVC, there are certain important differences that the backend must be aware of (e.g. differences in stack probes, EH, and library calls). Differential Revision: http://reviews.llvm.org/D11012 llvm-svn: 245115
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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