derek.holloway
7502bf64a4
CodeQL / Analyze (actions) (push) Canceled after 0s
CodeQL / Analyze (python) (push) Canceled after 0s
pre-commit / pre-commit (push) Canceled after 0s
Multi-Arch CI / setup (push) Canceled after 0s
Publish build_manylinux_x86_64 images / publish_build_manylinux_x86_64 (push) Canceled after 0s
Setup (Multi-Arch) / setup (push) Canceled after 0s
Multi-Arch CI / Linux::${{ fromJSON(needs.setup.outputs.linux_build_config || '{}').build_variant_label || 'skip' }} (push) Canceled after 0s
Publish TheRock Docker image / build-and-push-image (push) Canceled after 0s
Publish no_rocm_image_ubi10 image / publish_no_rocm_image_ubi10 (push) Canceled after 0s
Multi-Arch CI / Windows::${{ fromJSON(needs.setup.outputs.windows_build_config || '{}').build_variant_label || 'skip' }} (push) Canceled after 0s
Publish TheRock Docker image / build-and-push-image (push) Canceled after 0s
Multi-Arch CI / Manifest Diff (push) Canceled after 0s
TheRock Manifest Diff Report / Generate Manifest Diff Report (push) Canceled after 0s
Multi-Arch CI / CI Summary (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04 images / publish_no_rocm_image_ubuntu24_04 (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04_ocl_rt images / publish_no_rocm_image_ubuntu24_04_ocl_rt (push) Canceled after 0s
Publish TheRock Docker image / build-and-push-image (push) Canceled after 0s
Publish TheRock Docker image / build-and-push-image (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04 images / publish_no_rocm_image_ubuntu24_04_rocgdb (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04_rocgdb images / publish_no_rocm_image_ubuntu24_04_rocgdb (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04 images / publish_no_rocm_image_ubuntu24_04_ocl_rt (push) Canceled after 0s
Publish TheRock Docker image / build-and-push-image (push) Canceled after 0s
Unit Tests / Unit Tests :: ubuntu-24.04 (push) Canceled after 0s
Unit Tests / Unit Tests :: windows-2022 (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04 images / publish_no_rocm_image_ubuntu24_04_media (push) Canceled after 0s
Unit Tests / Unit Tests Summary (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04 images / publish_no_rocm_image_ubuntu24_04_openmpi (push) Canceled after 0s
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
|
|
// RUN: %clang_cc1 %s -emit-llvm -triple i686-unknown-unknown -o - | FileCheck %s
|
|
// RUN: %clang_cc1 %s -emit-llvm -triple x86_64-unknown-unknown -o - | FileCheck %s
|
|
|
|
#include <stdint.h>
|
|
|
|
// This test is meant to verify code that handles the 'p = nullptr + n' idiom
|
|
// used by some versions of glibc and gcc. This is undefined behavior but
|
|
// it is intended there to act like a conversion from a pointer-sized integer
|
|
// to a pointer, and we would like to tolerate that.
|
|
|
|
#define NULLPTRI8 ((int8_t*)0)
|
|
|
|
// This should get the inttoptr instruction.
|
|
int8_t *test1(intptr_t n) {
|
|
return NULLPTRI8 + n;
|
|
}
|
|
// CHECK-LABEL: test1
|
|
// CHECK: inttoptr
|
|
// CHECK-NOT: getelementptr
|
|
|
|
// This doesn't meet the idiom because the element type is larger than a byte.
|
|
int16_t *test2(intptr_t n) {
|
|
return (int16_t*)0 + n;
|
|
}
|
|
// CHECK-LABEL: test2
|
|
// CHECK: getelementptr
|
|
// CHECK-NOT: inttoptr
|
|
|
|
// This doesn't meet the idiom because the offset is subtracted.
|
|
int8_t* test3(intptr_t n) {
|
|
return NULLPTRI8 - n;
|
|
}
|
|
// CHECK-LABEL: test3
|
|
// CHECK: getelementptr
|
|
// CHECK-NOT: inttoptr
|
|
|
|
// This checks the case where the offset isn't pointer-sized.
|
|
// The front end will implicitly cast the offset to an integer, so we need to
|
|
// make sure that doesn't cause problems on targets where integers and pointers
|
|
// are not the same size.
|
|
int8_t *test4(int8_t b) {
|
|
return NULLPTRI8 + b;
|
|
}
|
|
// CHECK-LABEL: test4
|
|
// CHECK: inttoptr
|
|
// CHECK-NOT: getelementptr
|