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-rw-r--r--test/CodeGen/WinEH/cppeh-prepared-catch-reordered.ll163
1 files changed, 163 insertions, 0 deletions
diff --git a/test/CodeGen/WinEH/cppeh-prepared-catch-reordered.ll b/test/CodeGen/WinEH/cppeh-prepared-catch-reordered.ll
new file mode 100644
index 0000000..4946c6a
--- /dev/null
+++ b/test/CodeGen/WinEH/cppeh-prepared-catch-reordered.ll
@@ -0,0 +1,163 @@
+; RUN: llc < %s | FileCheck %s
+
+; Verify that we get the right frame escape label when the catch comes after the
+; parent function.
+
+; This test case is equivalent to:
+; int main() {
+; try {
+; throw 42;
+; } catch (int e) {
+; printf("e: %d\n", e);
+; }
+; }
+
+target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-pc-windows-msvc"
+
+%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
+%eh.CatchableType = type { i32, i32, i32, i32, i32, i32, i32 }
+%eh.CatchableTypeArray.1 = type { i32, [1 x i32] }
+%eh.ThrowInfo = type { i32, i32, i32, i32 }
+%eh.CatchHandlerType = type { i32, i8* }
+
+$"\01??_R0H@8" = comdat any
+
+$"_CT??_R0H@84" = comdat any
+
+$_CTA1H = comdat any
+
+$_TI1H = comdat any
+
+$"\01??_C@_06PNOAJMHG@e?3?5?$CFd?6?$AA@" = comdat any
+
+@"\01??_7type_info@@6B@" = external constant i8*
+@"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
+@__ImageBase = external constant i8
+@"_CT??_R0H@84" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 1, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 0, i32 -1, i32 0, i32 4, i32 0 }, section ".xdata", comdat
+@_CTA1H = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.1 { i32 1, [1 x i32] [i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableType* @"_CT??_R0H@84" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32)] }, section ".xdata", comdat
+@_TI1H = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, i32 0, i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableTypeArray.1* @_CTA1H to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, section ".xdata", comdat
+@llvm.eh.handlertype.H.0 = private unnamed_addr constant %eh.CatchHandlerType { i32 0, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*) }, section "llvm.metadata"
+@"\01??_C@_06PNOAJMHG@e?3?5?$CFd?6?$AA@" = linkonce_odr unnamed_addr constant [7 x i8] c"e: %d\0A\00", comdat, align 1
+
+declare void @_CxxThrowException(i8*, %eh.ThrowInfo*)
+
+; Function Attrs: uwtable
+define i32 @main() #1 {
+entry:
+ %tmp.i = alloca i32, align 4
+ %e = alloca i32, align 4
+ %0 = bitcast i32* %tmp.i to i8*
+ store i32 42, i32* %tmp.i, align 4, !tbaa !2
+ call void (...) @llvm.frameescape(i32* %e)
+ invoke void @_CxxThrowException(i8* %0, %eh.ThrowInfo* @_TI1H) #6
+ to label %.noexc unwind label %lpad1
+
+.noexc: ; preds = %entry
+ unreachable
+
+lpad1: ; preds = %entry
+ %1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
+ catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0
+ %recover = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*), i32 0, i8* (i8*, i8*)* @main.catch)
+ indirectbr i8* %recover, [label %try.cont.split]
+
+try.cont.split: ; preds = %lpad1
+ ret i32 0
+}
+
+; CHECK-LABEL: main:
+; CHECK: .seh_handlerdata
+; CHECK: .long ($cppxdata$main)@IMGREL
+
+declare i32 @__CxxFrameHandler3(...)
+
+; Function Attrs: nounwind readnone
+declare i32 @llvm.eh.typeid.for(i8*) #2
+
+; Function Attrs: nounwind
+declare void @llvm.eh.begincatch(i8* nocapture, i8* nocapture) #3
+
+; Function Attrs: nounwind
+declare i32 @printf(i8* nocapture readonly, ...) #4
+
+; Function Attrs: nounwind
+declare void @llvm.eh.endcatch() #3
+
+; Function Attrs: nounwind
+declare void @llvm.lifetime.start(i64, i8* nocapture) #3
+
+; Function Attrs: nounwind
+declare i8* @llvm.eh.actions(...) #3
+
+define internal i8* @main.catch(i8*, i8*) #5 {
+entry:
+ %e.i8 = call i8* @llvm.framerecover(i8* bitcast (i32 ()* @main to i8*), i8* %1, i32 0)
+ %e = bitcast i8* %e.i8 to i32*
+ %2 = bitcast i32* %e to i8*
+ %3 = load i32, i32* %e, align 4, !tbaa !2
+ %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @"\01??_C@_06PNOAJMHG@e?3?5?$CFd?6?$AA@", i64 0, i64 0), i32 %3)
+ invoke void @llvm.donothing()
+ to label %entry.split unwind label %stub
+
+entry.split: ; preds = %entry
+ ret i8* blockaddress(@main, %try.cont.split)
+
+stub: ; preds = %entry
+ %4 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
+ cleanup
+ unreachable
+}
+
+; CHECK-LABEL: main.catch:
+; CHECK: .seh_handlerdata
+; CHECK: .long ($cppxdata$main)@IMGREL
+
+; CHECK-NEXT: $cppxdata$main:
+; CHECK-NEXT: .long 429065506
+; CHECK-NEXT: .long 2
+; CHECK-NEXT: .long ($stateUnwindMap$main)@IMGREL
+; CHECK-NEXT: .long 1
+; CHECK-NEXT: .long ($tryMap$main)@IMGREL
+; CHECK-NEXT: .long 1
+; CHECK-NEXT: .long ($ip2state$main)@IMGREL
+; CHECK-NEXT: .long 40
+; CHECK-NEXT: .long 0
+; CHECK-NEXT: .long 1
+
+; Make sure we get the right frame escape label.
+
+; CHECK: $handlerMap$0$main:
+; CHECK-NEXT: .long 0
+; CHECK-NEXT: .long "??_R0H@8"@IMGREL
+; CHECK-NEXT: .long .Lmain$frame_escape_0
+; CHECK-NEXT: .long main.catch@IMGREL
+; CHECK-NEXT: .long .Lmain.catch$parent_frame_offset
+
+; Function Attrs: nounwind readnone
+declare void @llvm.donothing() #2
+
+; Function Attrs: nounwind
+declare void @llvm.frameescape(...) #3
+
+; Function Attrs: nounwind readnone
+declare i8* @llvm.framerecover(i8*, i8*, i32) #2
+
+attributes #0 = { noreturn uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" "wineh-parent"="main" }
+attributes #2 = { nounwind readnone }
+attributes #3 = { nounwind }
+attributes #4 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #5 = { "wineh-parent"="main" }
+attributes #6 = { noreturn }
+
+!llvm.module.flags = !{!0}
+!llvm.ident = !{!1}
+
+!0 = !{i32 1, !"PIC Level", i32 2}
+!1 = !{!"clang version 3.7.0 "}
+!2 = !{!3, !3, i64 0}
+!3 = !{!"int", !4, i64 0}
+!4 = !{!"omnipotent char", !5, i64 0}
+!5 = !{!"Simple C/C++ TBAA"}
+
generated by cgit v1.1 at 2024-04-27 20:23:09 +0000