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llvm-mirror/test/CodeGen/WebAssembly/exception.mir
Thomas Lively 81bb5f99ad [WebAssembly] Remove datalayout strings from llc tests
The data layout strings do not have any effect on llc tests and will become
misleadingly out of date as we continue to update the canonical data layout, so
remove them from the tests.

Differential Revision: https://reviews.llvm.org/D105842
2021-07-14 11:17:08 -07:00

113 lines
3.1 KiB
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# 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 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
...