derek.holloway
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72 lines
2.9 KiB
XML
72 lines
2.9 KiB
XML
// RUN: %clang_cc1 -O0 -triple x86_64-pc-windows-msvc -emit-llvm -fobjc-arc -fexceptions -fobjc-exceptions -fobjc-arc-exceptions -fobjc-runtime=gnustep-2.0 -o - %s | FileCheck %s --check-prefixes=CHECK,CHECK-O0
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// RUN: %clang_cc1 -O2 -triple x86_64-pc-windows-msvc -emit-llvm -fobjc-arc -fexceptions -fobjc-exceptions -fobjc-arc-exceptions -fobjc-runtime=gnustep-2.0 -o - %s | FileCheck %s --check-prefixes=CHECK,CHECK-O2
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// WinEH requires funclet tokens on nounwind intrinsics if they can lower to
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// regular function calls in the course of IR transformations.
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//
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// This is the case for ObjC ARC runtime intrinsics. Test that clang emits the
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// funclet tokens for llvm.objc.* calls inside catch- and cleanup-pads and that
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// they refer to their pad's SSA value.
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void do_something();
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void may_throw(id);
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void try_catch_with_objc_intrinsic() {
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id ex;
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@try {
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may_throw(ex);
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} @catch (id ex_caught) {
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do_something();
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may_throw(ex_caught);
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}
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}
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// CHECK-LABEL: try_catch_with_objc_intrinsic
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//
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// CHECK: catch.dispatch:
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// CHECK-NEXT: [[CATCHSWITCH:%[0-9]+]] = catchswitch within none [label %catch]
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// CHECK-O0: unwind label %[[CLEANUP1:.*]]
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// CHECK-O2: unwind to caller
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//
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// All calls within a catchpad must have funclet tokens that refer to it:
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// CHECK: catch:
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// CHECK-NEXT: [[CATCHPAD:%[0-9]+]] = catchpad within [[CATCHSWITCH]]
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// CHECK: call
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// CHECK: @llvm.objc.retain
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// CHECK: [ "funclet"(token [[CATCHPAD]]) ]
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// CHECK: invoke
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// CHECK: do_something
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// CHECK: [ "funclet"(token [[CATCHPAD]]) ]
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// CHECK: unwind label %[[CLEANUP2:.*]]
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// CHECK: invoke
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// CHECK: may_throw
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// CHECK: [ "funclet"(token [[CATCHPAD]]) ]
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// CHECK: unwind label %[[CLEANUP2]]
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// CHECK: call
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// CHECK-O0: @llvm.objc.storeStrong
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// CHECK-O2: @llvm.objc.release
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// CHECK: [ "funclet"(token [[CATCHPAD]]) ]
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// CHECK-O0: catchret from [[CATCHPAD]] to label %catchret.dest
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// CHECK-O2: catchret from [[CATCHPAD]] to label %eh.cont
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//
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// In debug mode, this block exists and it's empty:
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// CHECK-O0: catchret.dest:
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// CHECK-O0-NEXT: br label %eh.cont
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//
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// CHECK: [[CLEANUP2]]:
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// CHECK-NEXT: [[CLEANUPPAD2:%[0-9]+]] = cleanuppad within [[CATCHPAD]]
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// CHECK: call
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// CHECK-O0: @llvm.objc.storeStrong
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// CHECK-O2: @llvm.objc.release
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// CHECK: [ "funclet"(token [[CLEANUPPAD2]]) ]
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// CHECK: cleanupret from [[CLEANUPPAD2]]
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// CHECK-O0: unwind label %[[CLEANUP1]]
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// CHECK-O2: unwind to caller
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//
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// CHECK-O0: [[CLEANUP1]]:
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// CHECK-O0-NEXT: [[CLEANUPPAD1:%[0-9]+]] = cleanuppad within none
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// CHECK-O0: call
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// CHECK-O0: @llvm.objc.storeStrong
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// CHECK-O0: [ "funclet"(token [[CLEANUPPAD1]]) ]
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// CHECK-O0: cleanupret from [[CLEANUPPAD1]] unwind to caller
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