9ce71f76b9
Summary: Add a `cleanupendpad` instruction, used to mark exceptional exits out of cleanups (for languages/targets that can abort a cleanup with another exception). The `cleanupendpad` instruction is similar to the `catchendpad` instruction in that it is an EH pad which is the target of unwind edges in the handler and which itself has an unwind edge to the next EH action. The `cleanupendpad` instruction, similar to `cleanupret` has a `cleanuppad` argument indicating which cleanup it exits. The unwind successors of a `cleanuppad`'s `cleanupendpad`s must agree with each other and with its `cleanupret`s. Update WinEHPrepare (and docs/tests) to accomodate `cleanupendpad`. Reviewers: rnk, andrew.w.kaylor, majnemer Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D12433 llvm-svn: 246751
94 lines
2.1 KiB
LLVM
94 lines
2.1 KiB
LLVM
; RUN: opt -mergefunc -S < %s | FileCheck %s
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define i8 @call_with_range() {
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bitcast i8 0 to i8 ; dummy to make the function large enough
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%out = call i8 @dummy(), !range !0
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ret i8 %out
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}
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define i8 @call_no_range() {
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; CHECK-LABEL: @call_no_range
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; CHECK-NEXT: bitcast i8 0 to i8
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; CHECK-NEXT: %out = call i8 @dummy()
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; CHECK-NEXT: ret i8 %out
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bitcast i8 0 to i8
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%out = call i8 @dummy()
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ret i8 %out
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}
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define i8 @call_different_range() {
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; CHECK-LABEL: @call_different_range
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; CHECK-NEXT: bitcast i8 0 to i8
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; CHECK-NEXT: %out = call i8 @dummy(), !range !1
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; CHECK-NEXT: ret i8 %out
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bitcast i8 0 to i8
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%out = call i8 @dummy(), !range !1
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ret i8 %out
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}
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define i8 @invoke_with_range() personality i8* undef {
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%out = invoke i8 @dummy() to label %next unwind label %lpad, !range !0
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next:
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ret i8 %out
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lpad:
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%pad = landingpad { i8*, i32 } cleanup
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resume { i8*, i32 } zeroinitializer
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}
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define i8 @invoke_no_range() personality i8* undef {
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; CHECK-LABEL: @invoke_no_range()
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; CHECK-NEXT: invoke i8 @dummy
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%out = invoke i8 @dummy() to label %next unwind label %lpad
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next:
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ret i8 %out
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lpad:
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%pad = landingpad { i8*, i32 } cleanup
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resume { i8*, i32 } zeroinitializer
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}
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define i8 @invoke_different_range() personality i8* undef {
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; CHECK-LABEL: @invoke_different_range()
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; CHECK-NEXT: invoke i8 @dummy
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%out = invoke i8 @dummy() to label %next unwind label %lpad, !range !1
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next:
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ret i8 %out
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lpad:
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%pad = landingpad { i8*, i32 } cleanup
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resume { i8*, i32 } zeroinitializer
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}
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define i8 @call_with_same_range() {
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; CHECK-LABEL: @call_with_same_range
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; CHECK: tail call i8 @call_with_range
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bitcast i8 0 to i8
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%out = call i8 @dummy(), !range !0
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ret i8 %out
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}
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define i8 @invoke_with_same_range() personality i8* undef {
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; CHECK-LABEL: @invoke_with_same_range()
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; CHECK: tail call i8 @invoke_with_range()
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%out = invoke i8 @dummy() to label %next unwind label %lpad, !range !0
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next:
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ret i8 %out
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lpad:
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%pad = landingpad { i8*, i32 } cleanup
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resume { i8*, i32 } zeroinitializer
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}
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declare i8 @dummy();
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declare i32 @__gxx_personality_v0(...)
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!0 = !{i8 0, i8 2}
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!1 = !{i8 5, i8 7}
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