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llvm-project/llvm/test/Assembler/invalid-OperatorConstraint.ll

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[WinEH] Require token linkage in EH pad/ret signatures Summary: WinEHPrepare is going to require that cleanuppad and catchpad produce values of token type which are consumed by any cleanupret or catchret exiting the pad. This change updates the signatures of those operators to require/enforce that the type produced by the pads is token type and that the rets have an appropriate argument. The catchpad argument of a `CatchReturnInst` must be a `CatchPadInst` (and similarly for `CleanupReturnInst`/`CleanupPadInst`). To accommodate that restriction, this change adds a notion of an operator constraint to both LLParser and BitcodeReader, allowing appropriate sentinels to be constructed for forward references and appropriate error messages to be emitted for illegal inputs. Also add a verifier rule (noted in LangRef) that a catchpad with a catchpad predecessor must have no other predecessors; this ensures that WinEHPrepare will see the expected linear relationship between sibling catches on the same try. Lastly, remove some superfluous/vestigial casts from instruction operand setters operating on BasicBlocks. Reviewers: rnk, majnemer Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D12108 llvm-svn: 245797
2015-08-23 08:26:33 +08:00
; RUN: sed -e s/.T1:// %s | not llvm-as -disable-output 2>&1 | FileCheck --check-prefix=CHECK1 %s
; RUN: sed -e s/.T2:// %s | not llvm-as -disable-output 2>&1 | FileCheck --check-prefix=CHECK2 %s
; RUN: sed -e s/.T3:// %s | not llvm-as -disable-output 2>&1 | FileCheck --check-prefix=CHECK3 %s
; RUN: sed -e s/.T4:// %s | not llvm-as -disable-output 2>&1 | FileCheck --check-prefix=CHECK4 %s
; RUN: sed -e s/.T5:// %s | not llvm-as -disable-output 2>&1 | FileCheck --check-prefix=CHECK5 %s
; RUN: sed -e s/.T6:// %s | not llvm-as -disable-output 2>&1 | FileCheck --check-prefix=CHECK6 %s
[WinEH] Add cleanupendpad instruction 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
2015-09-03 17:09:43 +08:00
; RUN: sed -e s/.T7:// %s | not llvm-as -disable-output 2>&1 | FileCheck --check-prefix=CHECK7 %s
; RUN: sed -e s/.T8:// %s | not llvm-as -disable-output 2>&1 | FileCheck --check-prefix=CHECK8 %s
; RUN: sed -e s/.T9:// %s | not llvm-as -disable-output 2>&1 | FileCheck --check-prefix=CHECK9 %s
[WinEH] Require token linkage in EH pad/ret signatures Summary: WinEHPrepare is going to require that cleanuppad and catchpad produce values of token type which are consumed by any cleanupret or catchret exiting the pad. This change updates the signatures of those operators to require/enforce that the type produced by the pads is token type and that the rets have an appropriate argument. The catchpad argument of a `CatchReturnInst` must be a `CatchPadInst` (and similarly for `CleanupReturnInst`/`CleanupPadInst`). To accommodate that restriction, this change adds a notion of an operator constraint to both LLParser and BitcodeReader, allowing appropriate sentinels to be constructed for forward references and appropriate error messages to be emitted for illegal inputs. Also add a verifier rule (noted in LangRef) that a catchpad with a catchpad predecessor must have no other predecessors; this ensures that WinEHPrepare will see the expected linear relationship between sibling catches on the same try. Lastly, remove some superfluous/vestigial casts from instruction operand setters operating on BasicBlocks. Reviewers: rnk, majnemer Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D12108 llvm-svn: 245797
2015-08-23 08:26:33 +08:00
;T1: define void @f() {
;T1: entry:
;T1: ; operator constraint requires an operator
;T1: catchret undef to label %entry
;T1: ; CHECK1: [[@LINE-1]]:15: error: Catchpad value required in this position
;T1: }
;T2: define void @f() {
;T2: entry:
;T2: %x = cleanuppad []
;T2: ; catchret's first operand's operator must be catchpad
;T2: catchret %x to label %entry
;T2: ; CHECK2: [[@LINE-1]]:15: error: '%x' is not a catchpad
;T2: }
;T3: define void @f() {
;T3: entry:
;T3: ; catchret's first operand's operator must be catchpad
;T3: ; (forward reference case)
;T3: catchret %x to label %next
;T3: ; CHECK3: [[@LINE-1]]:15: error: '%x' is not a catchpad
;T3: next:
;T3: %x = cleanuppad []
;T3: ret void
;T3: }
;T4: define void @f() {
;T4: entry:
;T4: ; operator constraint requires an operator
;T4: cleanupret undef unwind label %entry
;T4: ; CHECK4: [[@LINE-1]]:17: error: Cleanuppad value required in this position
;T4: }
;T5: define void @f() {
;T5: entry:
;T5: %x = catchpad []
;T5: to label %next unwind label %entry
;T5: next:
;T5: ; cleanupret first operand's operator must be cleanuppad
;T5: cleanupret %x unwind to caller
;T5: ; CHECK5: [[@LINE-1]]:17: error: '%x' is not a cleanuppad
;T5: }
;T6: define void @f() {
;T6: entry:
;T6: ; cleanupret's first operand's operator must be cleanuppad
;T6: ; (forward reference case)
;T6: cleanupret %x unwind label %next
;T6: ; CHECK6: [[@LINE-1]]:17: error: '%x' is not a cleanuppad
;T6: next:
;T6: %x = catchpad [] to label %entry unwind label %next
;T6: }
[WinEH] Add cleanupendpad instruction 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
2015-09-03 17:09:43 +08:00
;T7: define void @f() {
;T7: entry:
;T7: ; operator constraint requires an operator
;T7: cleanupendpad undef unwind to caller
;T7: ; CHECK7: [[@LINE-1]]:20: error: Cleanuppad value required in this position
;T7: }
;T8: define void @f() {
;T8: entry:
;T8: %x = catchpad []
;T8: to label %next unwind label %entry
;T8: next:
;T8: ; cleanupret first operand's operator must be cleanuppad
;T8: cleanupendpad %x unwind label next
;T8: ; CHECK8: [[@LINE-1]]:20: error: '%x' is not a cleanuppad
;T8: }
;T9: define void @f() {
;T9: entry:
;T9: ; cleanupret's first operand's operator must be cleanuppad
;T9: ; (forward reference case)
;T9: cleanupendpad %x unwind label %next
;T9: ; CHECK9: [[@LINE-1]]:20: error: '%x' is not a cleanuppad
;T9: next:
;T9: %x = catchpad [] to label %entry unwind label %next
;T9: }