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00d8b15197
The MSVC doesn't really support exception specifications so let's just turn these into cleanuppads. Later, we might use terminatepad to more efficiently encode the "noexcept"-ness of a function body. llvm-svn: 247848
106 lines
2.0 KiB
LLVM
106 lines
2.0 KiB
LLVM
; RUN: opt -mtriple=x86_x64-pc-windows-msvc -S -winehprepare -disable-demotion < %s | FileCheck %s
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declare i32 @__CxxFrameHandler3(...)
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declare void @f()
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declare i32 @g()
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declare void @h(i32)
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; CHECK-LABEL: @test1(
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define void @test1() personality i32 (...)* @__CxxFrameHandler3 {
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entry:
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invoke void @f()
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to label %invoke.cont1 unwind label %left
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invoke.cont1:
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invoke void @f()
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to label %invoke.cont2 unwind label %right
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invoke.cont2:
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invoke void @f()
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to label %exit unwind label %inner
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left:
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%0 = cleanuppad []
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br label %shared
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right:
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%1 = cleanuppad []
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br label %shared
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shared:
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%x = call i32 @g()
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invoke void @f()
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to label %shared.cont unwind label %inner
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shared.cont:
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unreachable
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inner:
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; CHECK: %phi = phi i32 [ %x, %right ], [ 0, %invoke.cont2 ], [ %x.for.left, %left ]
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%phi = phi i32 [ %x, %shared ], [ 0, %invoke.cont2 ]
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%i = cleanuppad []
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call void @h(i32 %phi)
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unreachable
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exit:
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unreachable
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}
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; CHECK-LABEL: @test2(
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define void @test2() personality i32 (...)* @__CxxFrameHandler3 {
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entry:
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invoke void @f()
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to label %invoke.cont unwind label %left
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invoke.cont:
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invoke void @f()
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to label %exit unwind label %right
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left:
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cleanuppad []
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br label %shared
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right:
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cleanuppad []
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br label %shared
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shared:
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%x = call i32 @g()
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invoke void @f()
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to label %shared.cont unwind label %inner
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shared.cont:
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unreachable
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inner:
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; CHECK: %x1 = phi i32 [ %x.for.left, %left ], [ %x, %right ]
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; CHECK: call void @h(i32 %x1)
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%i = cleanuppad []
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call void @h(i32 %x)
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unreachable
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exit:
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unreachable
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}
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; CHECK-LABEL: @test3(
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define void @test3() personality i32 (...)* @__CxxFrameHandler3 {
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entry:
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invoke void @f()
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to label %invoke.cont unwind label %terminate
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invoke.cont:
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ret void
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terminate:
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; CHECK: cleanuppad []
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; CHECK: call void @__std_terminate()
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; CHECK: unreachable
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terminatepad [void ()* @__std_terminate] unwind to caller
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}
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declare void @__std_terminate()
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