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3017c7dd86
- Updates InstPrinter to handle `catch_all`. - Makes `rethrow` condition an early exit from the function to make the rest simpler. - Unify label and catch counters. They don't need to be counted separately and this will help `delegate` instruction later. - Removes `LastSeenEHInst` field. This was first introduced to handle when there are more than one `catch` blocks per `try`, but this was not implemented correctly and not being used at the moment anyway. - Reenables all tests in cfg-stackify-eh.ll that don't deal with unwind destination mismatches, which will be handled in a later CL. Reviewed By: dschuff, tlively, aardappel Differential Revision: https://reviews.llvm.org/D94043
60 lines
1.6 KiB
ArmAsm
60 lines
1.6 KiB
ArmAsm
# RUN: llvm-mc -triple=wasm32-unknown-unknown -mattr=+exception-handling < %s | FileCheck %s
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# Tests if block/loop/try/catch/end/branch/rethrow instructions are correctly
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# printed with their annotations.
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.text
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.section .text.test_annotation,"",@
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.type test_annotation,@function
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test_annotation:
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.functype test_annotation () -> ()
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.eventtype __cpp_exception i32
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try
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br 0
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catch __cpp_exception
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block
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br_if 0
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loop
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br_if 1
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end_loop
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end_block
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try
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rethrow 0
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catch __cpp_exception
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block
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try
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br 0
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catch_all
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end_try
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end_block
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rethrow 0
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end_try
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end_try
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end_function
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# CHECK: test_annotation:
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# CHECK: try
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# CHECK-NEXT: br 0 # 0: down to label0
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# CHECK-NEXT: catch __cpp_exception # catch0:
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# CHECK-NEXT: block
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# CHECK-NEXT: br_if 0 # 0: down to label1
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# CHECK-NEXT: loop # label2:
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# CHECK-NEXT: br_if 1 # 1: down to label1
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# CHECK-NEXT: end_loop
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# CHECK-NEXT: end_block # label1:
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# CHECK-NEXT: try
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# CHECK-NEXT: rethrow 0 # down to catch3
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# CHECK-NEXT: catch __cpp_exception # catch3:
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# CHECK-NEXT: block
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# CHECK-NEXT: try
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# CHECK-NEXT: br 0 # 0: down to label5
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# CHECK-NEXT: catch_all # catch5:
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# CHECK-NEXT: end_try # label5:
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# CHECK-NEXT: end_block # label4:
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# CHECK-NEXT: rethrow 0 # to caller
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# CHECK-NEXT: end_try # label3:
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# CHECK-NEXT: end_try # label0:
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# CHECK-NEXT: end_function
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