forked from OSchip/llvm-project
114 lines
3.2 KiB
YAML
114 lines
3.2 KiB
YAML
# RUN: llc -mtriple=wasm32-unknown-unknown -exception-model=wasm -mattr=+exception-handling -run-pass wasm-late-eh-prepare -run-pass wasm-cfg-stackify %s -o - | FileCheck %s
|
|
|
|
--- |
|
|
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
|
|
target triple = "wasm32-unknown-unknown"
|
|
|
|
declare i32 @__gxx_wasm_personality_v0(...)
|
|
declare void @foo()
|
|
define void @eh_label_test() personality i8* bitcast (i32 (...)* @__gxx_wasm_personality_v0 to i8*) {
|
|
ret void
|
|
}
|
|
define void @unreachable_ehpad_test() personality i8* bitcast (i32 (...)* @__gxx_wasm_personality_v0 to i8*) {
|
|
ret void
|
|
}
|
|
define void @empty_cleanuppad_test() personality i8* bitcast (i32 (...)* @__gxx_wasm_personality_v0 to i8*) {
|
|
ret void
|
|
}
|
|
...
|
|
|
|
---
|
|
# This tests 'try' and 'catch' instructions are correctly placed with respect to
|
|
# EH_LABEL instructions.
|
|
# CHECK-LABEL: name: eh_label_test
|
|
name: eh_label_test
|
|
liveins:
|
|
- { reg: '$arguments' }
|
|
frameInfo:
|
|
hasCalls: true
|
|
body: |
|
|
bb.0:
|
|
; TRY should be before EH_LABEL wrappers of throwing calls
|
|
; CHECK: bb.0
|
|
; CHECK: TRY
|
|
; CHECK-NEXT: EH_LABEL
|
|
; CHECK-NEXT: CALL @foo
|
|
; CHECK-NEXT: EH_LABEL
|
|
successors: %bb.1, %bb.2
|
|
EH_LABEL <mcsymbol .Ltmp0>
|
|
CALL @foo, implicit-def dead $arguments, implicit $sp32, implicit $sp64
|
|
EH_LABEL <mcsymbol .Ltmp1>
|
|
BR %bb.2, implicit-def dead $arguments
|
|
|
|
bb.1 (landing-pad):
|
|
; predecessors: %bb.0
|
|
successors: %bb.2
|
|
; CATCH_ALL should be after EH_LABELs in the beginning of an EH pad.
|
|
; (Sometimes there are multiple EH_LABELs in an EH pad. This test tests
|
|
; that.) GLOBAL_SET should follow right after that.
|
|
; CHECK: bb.1
|
|
; CHECK: EH_LABEL
|
|
; CHECK: EH_LABEL
|
|
; CHECK-NEXT: CATCH_ALL
|
|
; CHECK-NEXT: GLOBAL_SET_I32
|
|
EH_LABEL <mcsymbol .Ltmp2>
|
|
EH_LABEL <mcsymbol .Ltmp2>
|
|
CATCHRET %bb.2, %bb.1, implicit-def dead $arguments
|
|
|
|
bb.2:
|
|
; predecessors: %bb.0, %bb.1
|
|
RETURN implicit-def dead $arguments
|
|
...
|
|
|
|
---
|
|
# Unreachable EH pads should be removed by LateEHPrepare.
|
|
# CHECK-LABEL: name: unreachable_ehpad_test
|
|
name: unreachable_ehpad_test
|
|
liveins:
|
|
- { reg: '$arguments' }
|
|
body: |
|
|
; CHECK: bb.0
|
|
bb.0:
|
|
successors: %bb.2
|
|
BR %bb.2, implicit-def dead $arguments
|
|
|
|
; This EH pad is unreachable, so it should be removed by LateEHPrepare
|
|
; CHECK-NOT: bb.1 (landing-pad)
|
|
bb.1 (landing-pad):
|
|
successors: %bb.2
|
|
EH_LABEL <mcsymbol .Ltmp2>
|
|
CATCHRET %bb.2, %bb.1, implicit-def dead $arguments
|
|
|
|
; CHECK: bb.2
|
|
bb.2:
|
|
; predecessors: %bb.0, %bb.1
|
|
RETURN implicit-def dead $arguments
|
|
...
|
|
|
|
---
|
|
# Regression test for a bug that LateEHPrepare::addCatchAll didn't handle empty
|
|
# cleanup pads. (It tried to get debug info from end() iterator.)
|
|
name: empty_cleanuppad_test
|
|
liveins:
|
|
- { reg: '$arguments' }
|
|
body: |
|
|
bb.0:
|
|
successors: %bb.1, %bb.3
|
|
EH_LABEL <mcsymbol .Ltmp0>
|
|
CALL @foo, implicit-def dead $arguments, implicit $sp32, implicit $sp64
|
|
EH_LABEL <mcsymbol .Ltmp1>
|
|
BR %bb.3, implicit-def dead $arguments
|
|
|
|
;; Empty cleanuppad
|
|
bb.1 (landing-pad):
|
|
successors: %bb.2
|
|
EH_LABEL <mcsymbol .Ltmp2>
|
|
|
|
bb.2:
|
|
successors: %bb.3
|
|
CLEANUPRET implicit-def dead $arguments
|
|
|
|
bb.3:
|
|
RETURN implicit-def dead $arguments
|
|
...
|