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ab0820716d
Summary: An automated renaming of all the instructions listed at https://github.com/WebAssembly/spec/issues/884#issuecomment-426433329 as well as some similarly-named identifiers. Reviewers: aheejin, dschuff, aardappel Subscribers: sbc100, jgravelle-google, eraman, sunfish, jfb, llvm-commits Differential Revision: https://reviews.llvm.org/D56338 llvm-svn: 350609
323 lines
13 KiB
YAML
323 lines
13 KiB
YAML
# RUN: llc -mtriple=wasm32-unknown-unknown -exception-model=wasm -run-pass wasm-cfg-stackify %s -o - | FileCheck %s
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--- |
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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@__wasm_lpad_context = external global { i32, i8*, i32 }
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declare void @may_throw()
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; Function Attrs: nounwind
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declare void @dont_throw() #0
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declare i8* @__cxa_begin_catch(i8*)
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declare void @__cxa_end_catch()
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declare void @__cxa_rethrow()
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; Function Attrs: nounwind
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declare i32 @__gxx_wasm_personality_v0(...)
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declare i32 @_Unwind_CallPersonality(i8*) #0
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define void @test0() personality i8* bitcast (i32 (...)* @__gxx_wasm_personality_v0 to i8*) {
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unreachable
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}
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define void @test1() personality i8* bitcast (i32 (...)* @__gxx_wasm_personality_v0 to i8*) {
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unreachable
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}
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define void @test2() personality i8* bitcast (i32 (...)* @__gxx_wasm_personality_v0 to i8*) {
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unreachable
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}
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define void @test3() personality i8* bitcast (i32 (...)* @__gxx_wasm_personality_v0 to i8*) {
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unreachable
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}
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attributes #0 = { nounwind }
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---
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# Simplest try-catch
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# try {
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# may_throw();
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# } catch (...) {
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# }
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name: test0
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# CHECK-LABEL: name: test0
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liveins:
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- { reg: '$arguments', reg: '$value_stack' }
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body: |
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bb.0:
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successors: %bb.2, %bb.1
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CALL_VOID @may_throw, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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BR %bb.2, implicit-def $arguments
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; CHECK-LABEL: bb.0:
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; CHECK: TRY
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; CHECK-NEXT: CALL_VOID @may_throw
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bb.1 (landing-pad):
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; predecessors: %bb.0
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successors: %bb.2
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%2:i32 = CATCH_I32 0, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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%3:i32 = CALL_I32 @__cxa_begin_catch, %2:i32, implicit-def dead $arguments, implicit $sp32, implicit $sp64, implicit-def $value_stack, implicit $value_stack
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DROP_I32 killed %3:i32, implicit-def $arguments
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CALL_VOID @__cxa_end_catch, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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bb.2:
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; predecessors: %bb.0, %bb.1
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RETURN_VOID implicit-def dead $arguments
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; CHECK-LABEL: bb.2:
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; CHECK-NEXT: END_TRY
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; CHECK: RETURN_VOID
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...
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---
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# Nested try-catch inside another catch
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# try {
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# may_throw();
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# } catch (int n) {
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# try {
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# may_throw();
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# } catch (int n) {
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# }
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# }
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name: test1
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# CHECK-LABEL: name: test1
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liveins:
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- { reg: '$arguments', reg: '$value_stack' }
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body: |
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bb.0:
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successors: %bb.9, %bb.1
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CALL_VOID @may_throw, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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BR %bb.9, implicit-def $arguments
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; CHECK-LABEL: bb.0:
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; CHECK: TRY
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; CHECK-NEXT: CALL_VOID @may_throw
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bb.1 (landing-pad):
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; predecessors: %bb.0
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successors: %bb.2, %bb.7
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%30:i32 = CATCH_I32 0, implicit-def dead $arguments
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LOCAL_SET_I32 0, %30:i32, implicit-def $arguments
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%16:i32 = CONST_I32 0, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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%27:i32 = CONST_I32 0, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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STORE_I32 2, @__wasm_lpad_context + 4, %16:i32, %27:i32, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack :: (store 4 into `i8** getelementptr inbounds ({ i32, i8*, i32 }, { i32, i8*, i32 }* @__wasm_lpad_context, i32 0, i32 1)`)
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%26:i32 = CONST_I32 0, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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%25:i32 = CONST_I32 0, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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STORE_I32 2, @__wasm_lpad_context, %26:i32, %25:i32, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack :: (store 4 into `i32* getelementptr inbounds ({ i32, i8*, i32 }, { i32, i8*, i32 }* @__wasm_lpad_context, i32 0, i32 0)`)
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%32:i32 = LOCAL_GET_I32 0, implicit-def $arguments
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%31:i32 = CALL_I32 @_Unwind_CallPersonality, %32:i32, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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DROP_I32 killed %31:i32, implicit-def $arguments
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%24:i32 = CONST_I32 0, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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%17:i32 = LOAD_I32 2, @__wasm_lpad_context + 8, %24:i32, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack :: (dereferenceable load 4 from `i32* getelementptr inbounds ({ i32, i8*, i32 }, { i32, i8*, i32 }* @__wasm_lpad_context, i32 0, i32 2)`)
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%18:i32 = CONST_I32 1, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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%19:i32 = NE_I32 %17:i32, %18:i32, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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BR_IF %bb.7, %19:i32, implicit-def $arguments, implicit-def $value_stack, implicit $value_stack
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bb.2:
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; predecessors: %bb.1
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successors: %bb.8, %bb.3, %bb.6
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%34:i32 = LOCAL_GET_I32 0, implicit-def $arguments
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%33:i32 = CALL_I32 @__cxa_begin_catch, %34:i32, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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DROP_I32 killed %33:i32, implicit-def $arguments
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CALL_VOID @may_throw, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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BR %bb.8, implicit-def $arguments
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; CHECK-LABEL: bb.2:
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; CHECK: DROP_I32
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; CHECK-NEXT: TRY
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; CHECK-NEXT: TRY
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; CHECK-NEXT: CALL_VOID @may_throw
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bb.3 (landing-pad):
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; predecessors: %bb.2
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successors: %bb.4, %bb.5
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%35:i32 = CATCH_I32 0, implicit-def dead $arguments
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LOCAL_SET_I32 0, %35:i32, implicit-def $arguments
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%21:i32 = CONST_I32 0, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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%20:i32 = CONST_I32 1, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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STORE_I32 2, @__wasm_lpad_context, %21:i32, %20:i32, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack :: (store 4 into `i32* getelementptr inbounds ({ i32, i8*, i32 }, { i32, i8*, i32 }* @__wasm_lpad_context, i32 0, i32 0)`)
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%37:i32 = LOCAL_GET_I32 0, implicit-def $arguments
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%36:i32 = CALL_I32 @_Unwind_CallPersonality, %37:i32, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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DROP_I32 killed %36:i32, implicit-def $arguments
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%29:i32 = CONST_I32 0, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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%22:i32 = LOAD_I32 2, @__wasm_lpad_context + 8, %29:i32, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack :: (dereferenceable load 4 from `i32* getelementptr inbounds ({ i32, i8*, i32 }, { i32, i8*, i32 }* @__wasm_lpad_context, i32 0, i32 2)`)
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%28:i32 = CONST_I32 1, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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%23:i32 = NE_I32 %22:i32, %28:i32, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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BR_IF %bb.5, %23:i32, implicit-def $arguments, implicit-def $value_stack, implicit $value_stack
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bb.4:
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; predecessors: %bb.3
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successors: %bb.8
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%39:i32 = LOCAL_GET_I32 0, implicit-def $arguments
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%38:i32 = CALL_I32 @__cxa_begin_catch, %39:i32, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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DROP_I32 killed %38:i32, implicit-def $arguments
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CALL_VOID @__cxa_end_catch, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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BR %bb.8, implicit-def $arguments
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bb.5:
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; predecessors: %bb.3
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successors: %bb.6
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CALL_VOID @__cxa_rethrow, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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RETHROW %bb.6, implicit-def $arguments
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bb.6 (landing-pad):
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; predecessors: %bb.2, %bb.5
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CATCH_ALL implicit-def $arguments
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CALL_VOID @__cxa_end_catch, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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RETHROW_TO_CALLER implicit-def $arguments
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; CHECK-LABEL: bb.6 (landing-pad):
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; CHECK-NEXT: END_TRY
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bb.7:
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; predecessors: %bb.1
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CALL_VOID @__cxa_rethrow, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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RETHROW_TO_CALLER implicit-def $arguments
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; CHECK-LABEL: bb.7:
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; CHECK-NEXT: END_TRY
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; CHECK: RETHROW 0
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bb.8:
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; predecessors: %bb.2, %bb.4
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successors: %bb.9
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CALL_VOID @__cxa_end_catch, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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bb.9:
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; predecessors: %bb.0, %bb.8
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RETURN_VOID implicit-def dead $arguments
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; CHECK-LABEL: bb.9:
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; CHECK-NEXT: END_TRY
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...
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---
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# A loop within a try.
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# try {
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# for (int i = 0; i < n; ++i)
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# may_throw();
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# } catch (...) {
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# }
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name: test2
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# CHECK-LABEL: name: test2
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liveins:
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- { reg: '$arguments', reg: '$value_stack' }
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body: |
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bb.0:
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successors: %bb.1, %bb.4
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%18:i32 = CONST_I32 0, implicit-def dead $arguments
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LOCAL_SET_I32 1, %18:i32, implicit-def $arguments
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%14:i32 = CONST_I32 0, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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%19:i32 = LOCAL_GET_I32 0, implicit-def $arguments
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%9:i32 = GE_S_I32 %14:i32, %19:i32, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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BR_IF %bb.4, %9:i32, implicit-def $arguments
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bb.1:
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; predecessors: %bb.0, %bb.3
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successors: %bb.3, %bb.2
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CALL_VOID @may_throw, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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BR %bb.3, implicit-def $arguments
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; CHECK-LABEL: bb.1:
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; CHECK: LOOP
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; CHECK: TRY
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; CHECK-NEXT: CALL_VOID @may_throw
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bb.2 (landing-pad):
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; predecessors: %bb.1
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successors: %bb.4
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%11:i32 = CATCH_I32 0, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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%22:i32 = CALL_I32 @__cxa_begin_catch, %11:i32, implicit-def dead $arguments, implicit $sp32, implicit $sp64, implicit-def $value_stack, implicit $value_stack
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DROP_I32 killed %22:i32, implicit-def $arguments
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CALL_VOID @__cxa_end_catch, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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BR %bb.4, implicit-def $arguments
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bb.3:
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; predecessors: %bb.1
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successors: %bb.1, %bb.4
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%20:i32 = LOCAL_GET_I32 1, implicit-def $arguments
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%17:i32 = CONST_I32 1, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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%16:i32 = ADD_I32 %20:i32, %17:i32, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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%15:i32 = LOCAL_TEE_I32 1, %16:i32, implicit-def $arguments
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%21:i32 = LOCAL_GET_I32 0, implicit-def $arguments
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%10:i32 = GE_S_I32 %15:i32, %21:i32, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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BR_UNLESS %bb.1, %10:i32, implicit-def $arguments
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; CHECK-LABEL: bb.3:
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; CHECK: END_TRY
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bb.4:
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; predecessors: %bb.2, %bb.0, %bb.3
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RETURN_VOID implicit-def dead $arguments
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...
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---
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# A loop within a catch
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# try {
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# may_throw();
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# } catch (...) {
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# for (int i = 0; i < n; ++i)
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# dont_throw();
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# }
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name: test3
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# CHECK-LABEL: name: test3
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liveins:
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- { reg: '$arguments', reg: '$value_stack' }
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body: |
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bb.0:
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successors: %bb.4, %bb.1
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CALL_VOID @may_throw, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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BR %bb.4, implicit-def $arguments
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; CHECK-LABEL: bb.0:
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; CHECK: TRY
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; CHECK-NEXT: CALL_VOID @may_throw
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bb.1 (landing-pad):
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; predecessors: %bb.0
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successors: %bb.2, %bb.3
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%9:i32 = CATCH_I32 0, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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%18:i32 = CALL_I32 @__cxa_begin_catch, %9:i32, implicit-def dead $arguments, implicit $sp32, implicit $sp64, implicit-def $value_stack, implicit $value_stack
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DROP_I32 killed %18:i32, implicit-def $arguments
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%19:i32 = CONST_I32 0, implicit-def dead $arguments
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LOCAL_SET_I32 1, %19:i32, implicit-def $arguments
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%14:i32 = CONST_I32 0, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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%20:i32 = LOCAL_GET_I32 0, implicit-def $arguments
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%10:i32 = GE_S_I32 %14:i32, %20:i32, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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BR_IF %bb.3, %10:i32, implicit-def $arguments, implicit-def $value_stack, implicit $value_stack
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bb.2:
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; predecessors: %bb.1, %bb.2
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successors: %bb.2, %bb.3
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CALL_VOID @dont_throw, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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%21:i32 = LOCAL_GET_I32 1, implicit-def $arguments
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%17:i32 = CONST_I32 1, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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%16:i32 = ADD_I32 %21:i32, %17:i32, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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%15:i32 = LOCAL_TEE_I32 1, %16:i32, implicit-def $arguments
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%22:i32 = LOCAL_GET_I32 0, implicit-def $arguments
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%11:i32 = GE_S_I32 %15:i32, %22:i32, implicit-def dead $arguments, implicit-def $value_stack, implicit $value_stack
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BR_UNLESS %bb.2, %11:i32, implicit-def $arguments, implicit-def $value_stack, implicit $value_stack
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bb.3:
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; predecessors: %bb.1, %bb.2
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successors: %bb.4
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CALL_VOID @__cxa_end_catch, implicit-def dead $arguments, implicit $sp32, implicit $sp64
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bb.4:
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; predecessors: %bb.0, %bb.3
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RETURN_VOID implicit-def dead $arguments
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; CHECK-LABEL: bb.4:
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; CHECK: END_TRY
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