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https://github.com/c64scene-ar/llvm-6502.git
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7c9c6ed761
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
118 lines
3.2 KiB
LLVM
118 lines
3.2 KiB
LLVM
; RUN: opt %s -inline -S | FileCheck %s
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declare void @external_func()
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declare void @abort()
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@exception_inner = external global i8
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@exception_outer = external global i8
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@condition = external global i1
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; Check for a bug in which multiple "resume" instructions in the
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; inlined function caused "catch i8* @exception_outer" to appear
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; multiple times in the resulting landingpad.
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define internal void @inner_multiple_resume() {
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invoke void @external_func()
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to label %cont unwind label %lpad
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cont:
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ret void
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lpad:
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%lp = landingpad i32 personality i8* null
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catch i8* @exception_inner
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%cond = load i1, i1* @condition
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br i1 %cond, label %resume1, label %resume2
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resume1:
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resume i32 1
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resume2:
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resume i32 2
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}
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define void @outer_multiple_resume() {
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invoke void @inner_multiple_resume()
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to label %cont unwind label %lpad
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cont:
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ret void
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lpad:
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%lp = landingpad i32 personality i8* null
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catch i8* @exception_outer
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resume i32 %lp
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}
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; CHECK: define void @outer_multiple_resume()
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; CHECK: %lp.i = landingpad
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; CHECK-NEXT: catch i8* @exception_inner
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; CHECK-NEXT: catch i8* @exception_outer
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; Check that there isn't another "catch" clause:
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; CHECK-NEXT: load
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; Check for a bug in which having a "resume" and a "call" in the
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; inlined function caused "catch i8* @exception_outer" to appear
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; multiple times in the resulting landingpad.
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define internal void @inner_resume_and_call() {
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call void @external_func()
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invoke void @external_func()
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to label %cont unwind label %lpad
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cont:
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ret void
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lpad:
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%lp = landingpad i32 personality i8* null
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catch i8* @exception_inner
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resume i32 %lp
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}
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define void @outer_resume_and_call() {
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invoke void @inner_resume_and_call()
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to label %cont unwind label %lpad
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cont:
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ret void
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lpad:
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%lp = landingpad i32 personality i8* null
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catch i8* @exception_outer
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resume i32 %lp
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}
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; CHECK: define void @outer_resume_and_call()
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; CHECK: %lp.i = landingpad
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; CHECK-NEXT: catch i8* @exception_inner
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; CHECK-NEXT: catch i8* @exception_outer
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; Check that there isn't another "catch" clause:
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; CHECK-NEXT: br
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; Check what happens if the inlined function contains an "invoke" but
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; no "resume". In this case, the inlined landingpad does not need to
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; include the "catch i8* @exception_outer" clause from the outer
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; function (since the outer function's landingpad will not be
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; reachable), but it's OK to include this clause.
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define internal void @inner_no_resume_or_call() {
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invoke void @external_func()
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to label %cont unwind label %lpad
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cont:
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ret void
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lpad:
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%lp = landingpad i32 personality i8* null
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catch i8* @exception_inner
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; A landingpad might have no "resume" if a C++ destructor aborts.
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call void @abort() noreturn nounwind
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unreachable
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}
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define void @outer_no_resume_or_call() {
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invoke void @inner_no_resume_or_call()
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to label %cont unwind label %lpad
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cont:
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ret void
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lpad:
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%lp = landingpad i32 personality i8* null
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catch i8* @exception_outer
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resume i32 %lp
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}
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; CHECK: define void @outer_no_resume_or_call()
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; CHECK: %lp.i = landingpad
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; CHECK-NEXT: catch i8* @exception_inner
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; CHECK-NEXT: catch i8* @exception_outer
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; Check that there isn't another "catch" clause:
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; CHECK-NEXT: call void @abort()
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