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[CodeGenCXX] Remove unused check prefixes
2020-11-12 00:19:53 +08:00
// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -O3 -fno-experimental-new-pass-manager -o - | FileCheck %s
// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -O3 -fexperimental-new-pass-manager -o - | FileCheck %s
Win64: Pass member pointers larger than 8 bytes by reference The Win64 ABI docs on MSDN say that arguments bigger than 8 bytes are passed by reference. Prior to this change, we were only applying this logic to RecordType arguments. This affects both the Itanium and Microsoft C++ ABIs. Reviewers: majnemer Differential Revision: http://reviews.llvm.org/D3587 llvm-svn: 207817
2014-05-02 08:51:20 +08:00
// RUN: %clang_cc1 %s -triple=x86_64-windows-gnu -emit-llvm -o - | FileCheck %s -check-prefix MINGW64
Fix another pointer-to-member function miscompile, this time when trying to call a virtual member function. llvm-svn: 95307
2010-02-05 01:08:48 +08:00
struct A {
virtual int vf1() { return 1; }
virtual int vf2() { return 2; }
};
int f(A* a, int (A::*fp)()) {
return (a->*fp)();
}
[test] Add {{.*}} to make tests immune to dso_local/dso_preemptable/(none) differences For a definition (of most linkage types), dso_local is set for ELF -fno-pic/-fpie and COFF, but not for Mach-O. This nuance causes unneeded binary format differences. This patch replaces (function) `define ` with `define{{.*}} `, (variable/constant/alias) `= ` with `={{.*}} `, or inserts appropriate `{{.*}} ` if there is an explicit linkage. * Clang will set dso_local for Mach-O, which is currently implied by TargetMachine.cpp. This will make COFF/Mach-O and executable ELF similar. * Eventually I hope we can make dso_local the textual LLVM IR default (write explicit "dso_preemptable" when applicable) and -fpic ELF will be similar to everything else. This patch helps move toward that goal.
2020-12-31 12:45:56 +08:00
// CHECK-LABEL: define{{.*}} i32 @_Z2g1v()
Devirtualize a call on alloca without waiting for post inline cleanup and next DevirtSCCRepeatedPass iteration. This aims to fix a missed inlining case. If there's a virtual call in the callee on an alloca (stack allocated object) in the caller, and the callee is inlined into the caller, the post-inline cleanup would devirtualize the virtual call, but if the next iteration of DevirtSCCRepeatedPass doesn't happen (under the new pass manager), which is based on a heuristic to determine whether to reiterate, we may miss inlining the devirtualized call. This enables inlining in clang/test/CodeGenCXX/member-function-pointer-calls.cpp. This is a second commit after a revert https://reviews.llvm.org/rG4569b3a86f8a4b1b8ad28fe2321f936f9d7ffd43 and a fix https://reviews.llvm.org/rG41e06ae7ba91. Differential Revision: https://reviews.llvm.org/D69591
2020-02-29 01:43:32 +08:00
// CHECK-NOT: }
// CHECK: ret i32 1
Bring r325915 back. The tests that failed on a windows host have been fixed. Original message: Start setting dso_local for COFF. With this there are still some GVs where we don't set dso_local because setGVProperties is never called. I intend to fix that in followup commits. This is just the bare minimum to teach shouldAssumeDSOLocal what it should do for COFF. llvm-svn: 325940
2018-02-24 03:30:48 +08:00
// MINGW64-LABEL: define dso_local i32 @_Z2g1v()
Win64: Pass member pointers larger than 8 bytes by reference The Win64 ABI docs on MSDN say that arguments bigger than 8 bytes are passed by reference. Prior to this change, we were only applying this logic to RecordType arguments. This affects both the Itanium and Microsoft C++ ABIs. Reviewers: majnemer Differential Revision: http://reviews.llvm.org/D3587 llvm-svn: 207817
2014-05-02 08:51:20 +08:00
// MINGW64: call i32 @_Z1fP1AMS_FivE(%struct.A* %{{.*}}, { i64, i64 }* %{{.*}})
Fix another pointer-to-member function miscompile, this time when trying to call a virtual member function. llvm-svn: 95307
2010-02-05 01:08:48 +08:00
int g1() {
A a;
return f(&a, &A::vf1);
}
[test] Add {{.*}} to make tests immune to dso_local/dso_preemptable/(none) differences For a definition (of most linkage types), dso_local is set for ELF -fno-pic/-fpie and COFF, but not for Mach-O. This nuance causes unneeded binary format differences. This patch replaces (function) `define ` with `define{{.*}} `, (variable/constant/alias) `= ` with `={{.*}} `, or inserts appropriate `{{.*}} ` if there is an explicit linkage. * Clang will set dso_local for Mach-O, which is currently implied by TargetMachine.cpp. This will make COFF/Mach-O and executable ELF similar. * Eventually I hope we can make dso_local the textual LLVM IR default (write explicit "dso_preemptable" when applicable) and -fpic ELF will be similar to everything else. This patch helps move toward that goal.
2020-12-31 12:45:56 +08:00
// CHECK-LABEL: define{{.*}} i32 @_Z2g2v()
Devirtualize a call on alloca without waiting for post inline cleanup and next DevirtSCCRepeatedPass iteration. This aims to fix a missed inlining case. If there's a virtual call in the callee on an alloca (stack allocated object) in the caller, and the callee is inlined into the caller, the post-inline cleanup would devirtualize the virtual call, but if the next iteration of DevirtSCCRepeatedPass doesn't happen (under the new pass manager), which is based on a heuristic to determine whether to reiterate, we may miss inlining the devirtualized call. This enables inlining in clang/test/CodeGenCXX/member-function-pointer-calls.cpp. This is a second commit after a revert https://reviews.llvm.org/rG4569b3a86f8a4b1b8ad28fe2321f936f9d7ffd43 and a fix https://reviews.llvm.org/rG41e06ae7ba91. Differential Revision: https://reviews.llvm.org/D69591
2020-02-29 01:43:32 +08:00
// CHECK-NOT: }
Relax the FileCheck assertions in this test a touch. Previously the test relied on an artifact of how the inliner and subsequent passes in clang's -O3 mode happen to treat basic blocks and the labels for the basic blocks. In my work on the inliner, and changed this fundamental assumption, and the label that was being checked on the entry basic block will no longer appear in opt builds. There was no reason to expect the label to always be present anyways, much to my regret. I've changed the test to just ensure that we return an immediate constant. If there are intervening instructions, that's bad, but not really that relevant to the test. I'd love it if others have a better way of checking that a function body contains only a 'ret' instruction that isn't dependent on whether or not the entry block receives a label... llvm-svn: 153243
2012-03-22 14:22:13 +08:00
// CHECK: ret i32 2
Bring r325915 back. The tests that failed on a windows host have been fixed. Original message: Start setting dso_local for COFF. With this there are still some GVs where we don't set dso_local because setGVProperties is never called. I intend to fix that in followup commits. This is just the bare minimum to teach shouldAssumeDSOLocal what it should do for COFF. llvm-svn: 325940
2018-02-24 03:30:48 +08:00
// MINGW64-LABEL: define dso_local i32 @_Z2g2v()
Win64: Pass member pointers larger than 8 bytes by reference The Win64 ABI docs on MSDN say that arguments bigger than 8 bytes are passed by reference. Prior to this change, we were only applying this logic to RecordType arguments. This affects both the Itanium and Microsoft C++ ABIs. Reviewers: majnemer Differential Revision: http://reviews.llvm.org/D3587 llvm-svn: 207817
2014-05-02 08:51:20 +08:00
// MINGW64: call i32 @_Z1fP1AMS_FivE(%struct.A* %{{.*}}, { i64, i64 }* %{{.*}})
Fix another pointer-to-member function miscompile, this time when trying to call a virtual member function. llvm-svn: 95307
2010-02-05 01:08:48 +08:00
int g2() {
A a;
return f(&a, &A::vf2);
}