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Aaron Ballman 7068aa9841 Strengthen -Wint-conversion to default to an error 
Clang has traditionally allowed C programs to implicitly convert
integers to pointers and pointers to integers, despite it not being
valid to do so except under special circumstances (like converting the
integer 0, which is the null pointer constant, to a pointer). In C89,
this would result in undefined behavior per 3.3.4, and in C99 this rule
was strengthened to be a constraint violation instead. Constraint
violations are most often handled as an error.

This patch changes the warning to default to an error in all C modes
(it is already an error in C++). This gives us better security posture
by calling out potential programmer mistakes in code but still allows
users who need this behavior to use -Wno-error=int-conversion to retain
the warning behavior, or -Wno-int-conversion to silence the diagnostic
entirely.

Differential Revision: https://reviews.llvm.org/D129881
 		2022-07-22 15:24:54 -04:00
..
2011-04-15-vec-init-from-vec.cl
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addr-space-struct-arg.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
address-space-constant-initializers.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
address-spaces-conversions.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
address-spaces-mangling.cl [OpenCL] Add support of __opencl_c_device_enqueue feature macro. 2022-01-27 14:25:59 +03:00
address-spaces.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
amdgcn-automatic-variable.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
amdgcn-flat-scratch-name.cl
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amdgcn-large-globals.cl [test] Add {{.*}} to make ELF tests immune to dso_local/dso_preemptable/(none) differences 2020-12-31 00:27:11 -08:00
amdgcn-non-temporal-store.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
amdgpu-abi-struct-coerce.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
amdgpu-alignment.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
amdgpu-attrs.cl clang/AMDGPU: Don't set implicit arg attribute to default size 2022-01-14 18:43:30 -05:00
amdgpu-call-kernel.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
amdgpu-calling-conv.cl [test] Add {{.*}} to make ELF tests immune to dso_local/dso_preemptable/(none) differences 2020-12-31 00:27:11 -08:00
amdgpu-debug-info-pointer-address-space.cl
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amdgpu-debug-info-variable-expression.cl [Clang] Add -no-opaque-pointers to more tests (NFC) 2022-04-07 12:53:29 +02:00
amdgpu-enqueue-kernel.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
amdgpu-env-amdgcn.cl
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amdgpu-features.cl [AMDGPU] Support for gfx940 fp8 conversions 2022-07-18 11:48:43 -07:00
amdgpu-ieee.cl [AMDGPU] Add options -mamdgpu-ieee -mno-amdgpu-ieee 2021-05-01 09:02:55 -04:00
amdgpu-nullptr.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
amdgpu-printf.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
amdgpu-sizeof-alignof.cl [OpenCL] Add support of __opencl_c_generic_address_space feature macro 2021-07-13 13:14:10 +03:00
arm-integer-dot-product.cl [OpenCL] Remove pragma requirement from Arm dot extension. 2021-05-12 16:25:33 +01:00
as_type.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
atomic-ops-libcall.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
atomic-ops.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
atomics-cas-remarks-gfx90a.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
atomics-unsafe-hw-remarks-gfx90a.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
backend-unsupported-warning.ll
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blocks.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
bool_cast.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
builtins-amdgcn-ci.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
builtins-amdgcn-dl-insts-err-clamp.cl
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builtins-amdgcn-dl-insts-err.cl [AMDGPU] gfx11 new dot instruction codegen support 2022-06-16 14:19:34 -04:00
builtins-amdgcn-dl-insts-gfx11.cl [AMDGPU] gfx11 new dot instruction codegen support 2022-06-16 14:19:34 -04:00
builtins-amdgcn-dl-insts.cl
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builtins-amdgcn-fp-atomics-gfx7-err.cl [clang] Add clang builtins support for gfx90a 2021-08-05 02:08:06 -06:00
builtins-amdgcn-fp-atomics-gfx90a-err.cl [AMDGPU] new gfx940 fp atomics 2022-03-07 12:32:02 -08:00
builtins-amdgcn-fp-atomics-gfx908-err.cl [clang] Add clang builtins support for gfx90a 2021-08-05 02:08:06 -06:00
builtins-amdgcn-fp8.cl [AMDGPU] Support for gfx940 fp8 conversions 2022-07-18 11:48:43 -07:00
builtins-amdgcn-gfx9.cl [HIP] Add __builtin_amdgcn_groupstaticsize 2021-05-13 15:50:08 +00:00
builtins-amdgcn-gfx10.cl [HIP] Add __builtin_amdgcn_groupstaticsize 2021-05-13 15:50:08 +00:00
builtins-amdgcn-interp.cl
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builtins-amdgcn-mfma.cl [AMDGPU] Support for gfx940 fp8 smfmac 2022-07-18 12:12:41 -07:00
builtins-amdgcn-raytracing.cl [AMDGPU] Change llvm.amdgcn.image.bvh.intersect.ray to take vec3 args 2021-12-04 10:32:11 +00:00
builtins-amdgcn-vi.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
builtins-amdgcn-wmma-w32.cl [AMDGPU] Add WMMA clang builtins 2022-07-01 08:55:25 +02:00
builtins-amdgcn-wmma-w64.cl [AMDGPU] Add WMMA clang builtins 2022-07-01 08:55:25 +02:00
builtins-amdgcn.cl [AMDGPU] Add llvm.amdgcn.sched.barrier intrinsic 2022-05-11 13:22:51 -07:00
builtins-f16.cl [test] Add {{.*}} to make tests immune to dso_local/dso_preemptable/(none) differences 2020-12-30 20:52:01 -08:00
builtins-fp-atomics-gfx8.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
builtins-fp-atomics-gfx90a.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
builtins-fp-atomics-gfx940.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
builtins-fp-atomics-gfx1030.cl [clang] Add clang builtins support for gfx90a 2021-08-05 02:08:06 -06:00
builtins-generic-amdgcn.cl Strengthen -Wint-conversion to default to an error 2022-07-22 15:24:54 -04:00
builtins-r600.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
builtins.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
byval.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
cast_image.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
cl-strict-aliasing.cl
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cl-uniform-wg-size.cl
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cl20-device-side-enqueue.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
const-str-array-decay.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
constant-addr-space-globals.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
convergent.cl [Clang/Test]: Rename enable_noundef_analysis to disable-noundef-analysis and turn it off by default 2022-01-16 18:54:17 +09:00
debug-info-programming-language.cl [OpenCL] Use DW_LANG_OpenCL language tag for OpenCL C 2021-06-25 11:48:42 +01:00
enqueue-kernel-non-entry-block.cl
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event_t.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
ext-int-shift.cl [Tests] Use %clang_cc1 instead of %clang -cc1 in codegen tests (NFC) 2022-04-05 13:21:44 +02:00
ext-vector-shuffle.cl
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fdeclare-opencl-builtins.cl [OpenCL] Make generic addrspace optional for -fdeclare-opencl-builtins 2022-01-31 10:21:05 +00:00
fpmath.cl [Clang/Test]: Rename enable_noundef_analysis to disable-noundef-analysis and turn it off by default 2022-01-16 18:54:17 +09:00
func-call-dbg-loc.cl A significant number of our tests in C accidentally use functions 2022-02-13 08:03:40 -05:00
half.cl [Clang/Test]: Rename enable_noundef_analysis to disable-noundef-analysis and turn it off by default 2022-01-16 18:54:17 +09:00
images.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
inline-asm-amdgcn.cl
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intel-subgroups-avc-ext-types.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
kernel-arg-info-single-as.cl
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kernel-arg-info.cl [OpenCL] Fix types with signed prefix in arginfo metadata. 2021-02-09 15:13:19 +00:00
kernel-attributes.cl
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kernel-metadata.cl
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kernel-param-alignment.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
kernels-have-spir-cc-by-default.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
lifetime.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
local-initializer-undef.cl
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local.cl
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logical-ops.cl
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memcpy.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
no-half.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
no-signed-zeros.cl Reduce the number of attributes attached to each function 2021-02-16 16:19:54 +01:00
norecurse.cl
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null_queue.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
numbered-address-space.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
opencl_types.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
overload.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
partial_initializer.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
pipe_builtin.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
pipe_types.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
pipe_types_mangling.cl [OpenCL] Add support of __opencl_c_device_enqueue feature macro. 2022-01-27 14:25:59 +03:00
preserve_vec3.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
printf.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
private-array-initialization.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
ptx-calls.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
ptx-kernels.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
relaxed-fpmath.cl Reduce the number of attributes attached to each function 2021-02-16 16:19:54 +01:00
sampler.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
shifts.cl [test] Add {{.*}} to make ELF tests immune to dso_local/dso_preemptable/(none) differences 2020-12-31 00:27:11 -08:00
single-precision-constant.cl
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size_t.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
spir-calling-conv.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
spir-debug-info-pointer-address-space.cl [OpenCL] Add DWARF address spaces mapping for SPIR 2021-06-04 18:10:54 +01:00
spir32_target.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
spir64_target.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
spir_version.cl [OpenCL] Change default standard version to CL1.2 2021-07-26 15:04:34 +01:00
spirv_target.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
str_literals.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
to_addr_builtin.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
unroll-hint.cl
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vectorLoadStore.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
vector_literals.cl [OpaquePtrs][Clang] Add -no-opaque-pointers to tests (NFC) 2022-04-07 12:09:47 +02:00
vector_logops.cl
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vector_odd.cl
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vector_shufflevector.cl [OpenCL][NFC] Improve OpenCL test file naming 2021-01-06 14:16:44 +00:00
visibility.cl [test] Add {{.*}} to make ELF tests immune to dso_local/dso_preemptable/(none) differences 2020-12-31 00:27:11 -08:00
vla.cl [test] Add {{.*}} to make ELF tests immune to dso_local/dso_preemptable/(none) differences 2020-12-31 00:27:11 -08:00