| Andrew Kaylor | f22fe4a | 2015-02-23 20:01:56 +0000 | [diff] [blame] | 1 | ; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s
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| 2 |
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| 3 | ; This test is based on the following code:
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| 4 | ;
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| 5 | ; void test()
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| 6 | ; {
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| 7 | ; try {
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| 8 | ; may_throw();
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| 9 | ; } catch (...) {
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| 10 | ; handle_exception();
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| 11 | ; }
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| 12 | ; }
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| 13 | ;
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| 14 | ; Parts of the IR have been hand-edited to simplify the test case.
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| 15 | ; The full IR will be restored when Windows C++ EH support is complete.
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| 16 |
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| 17 | ; ModuleID = 'catch-all.cpp'
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| 18 | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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| 19 | target triple = "x86_64-pc-windows-msvc"
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| 20 |
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| 21 | ; Function Attrs: uwtable
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| 22 | define void @_Z4testv() #0 {
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| 23 | entry:
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| 24 | %exn.slot = alloca i8*
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| 25 | %ehselector.slot = alloca i32
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| 26 | invoke void @_Z9may_throwv()
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| 27 | to label %invoke.cont unwind label %lpad
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| 28 |
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| 29 | invoke.cont: ; preds = %entry
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| 30 | br label %try.cont
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| 31 |
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| 32 | lpad: ; preds = %entry
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| 33 | %0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
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| 34 | catch i8* null
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| 35 | %1 = extractvalue { i8*, i32 } %0, 0
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| 36 | store i8* %1, i8** %exn.slot
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| 37 | %2 = extractvalue { i8*, i32 } %0, 1
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| 38 | store i32 %2, i32* %ehselector.slot
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| 39 | br label %catch
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| 40 |
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| 41 | catch: ; preds = %lpad
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| 42 | %exn = load i8** %exn.slot
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| 43 | %3 = call i8* @llvm.eh.begincatch(i8* %exn) #3
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| 44 | call void @_Z16handle_exceptionv()
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| 45 | br label %invoke.cont2
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| 46 |
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| 47 | invoke.cont2: ; preds = %catch
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| 48 | call void @llvm.eh.endcatch()
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| 49 | br label %try.cont
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| 50 |
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| 51 | try.cont: ; preds = %invoke.cont2, %invoke.cont
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| 52 | ret void
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| 53 | }
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| 54 |
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| 55 | ; CHECK: define i8* @_Z4testv.catch(i8*, i8*) {
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| 56 | ; CHECK: catch.entry:
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| 57 | ; CHECK: %eh.alloc = call i8* @llvm.framerecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1)
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| 58 | ; CHECK: %eh.data = bitcast i8* %eh.alloc to %struct._Z4testv.ehdata*
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| 59 | ; CHECK: %eh.obj.ptr = getelementptr inbounds %struct._Z4testv.ehdata* %eh.data, i32 0, i32 1
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| 60 | ; CHECK: %eh.obj = load i8** %eh.obj.ptr
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| 61 | ; CHECK: call void @_Z16handle_exceptionv()
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| 62 | ; CHECK: ret i8* blockaddress(@_Z4testv, %try.cont)
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| 63 | ; CHECK: }
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| 64 |
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| 65 | declare void @_Z9may_throwv() #1
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| 66 |
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| 67 | declare i32 @__CxxFrameHandler3(...)
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| 68 |
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| 69 | declare i8* @llvm.eh.begincatch(i8*)
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| 70 |
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| 71 | declare void @_Z16handle_exceptionv() #1
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| 72 |
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| 73 | declare void @llvm.eh.endcatch()
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| 74 |
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| 75 | attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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| 76 | attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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| 77 | attributes #2 = { noinline noreturn nounwind }
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| 78 | attributes #3 = { nounwind }
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| 79 | attributes #4 = { noreturn nounwind }
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| 80 |
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| 81 | !llvm.ident = !{!0}
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| 82 |
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| 83 | !0 = !{!"clang version 3.7.0 (trunk 226027)"}
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