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
66 lines
2.0 KiB
LLVM
66 lines
2.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
|
|
|
|
; Verify that an excessive size to memchr() isn't truncated to an in-bounds
|
|
; value that results in the call being incorrectly folded (as might happen
|
|
; when LLVM is compiled in ILP32 mode).
|
|
|
|
declare ptr @memchr(ptr, i32, i64)
|
|
|
|
@ax = external global [0 x i8]
|
|
@a12345 = constant [5 x i8] c"\01\02\03\04\05"
|
|
|
|
|
|
; Do not fold memchr(ax, 1, UINT_MAX + (size_t)1) to null. Only the first
|
|
; byte in ax must be dereferenceable.
|
|
|
|
define ptr @call_memchr_ax_2_uimax_p1() {
|
|
; CHECK-LABEL: @call_memchr_ax_2_uimax_p1(
|
|
; CHECK-NEXT: [[RES:%.*]] = call ptr @memchr(ptr noundef nonnull dereferenceable(1) @ax, i32 1, i64 4294967296)
|
|
; CHECK-NEXT: ret ptr [[RES]]
|
|
;
|
|
|
|
%res = call ptr @memchr(ptr @ax, i32 1, i64 4294967296)
|
|
ret ptr %res
|
|
}
|
|
|
|
|
|
; Do not fold memchr(ax, 1, UINT_MAX + (size_t)2) to *ax == 1 ? ax : null.
|
|
; As above, only the first byte in ax must be dereferenceable.
|
|
|
|
define ptr @call_memchr_ax_2_uimax_p2() {
|
|
; CHECK-LABEL: @call_memchr_ax_2_uimax_p2(
|
|
; CHECK-NEXT: [[RES:%.*]] = call ptr @memchr(ptr noundef nonnull dereferenceable(1) @ax, i32 1, i64 4294967296)
|
|
; CHECK-NEXT: ret ptr [[RES]]
|
|
;
|
|
|
|
%res = call ptr @memchr(ptr @ax, i32 1, i64 4294967296)
|
|
ret ptr %res
|
|
}
|
|
|
|
|
|
; Fold memchr(a12345, 3, UINT_MAX + (size_t)2) to a12345 + 2 (and not to
|
|
; null).
|
|
|
|
define ptr @fold_memchr_a12345_3_uimax_p2() {
|
|
; CHECK-LABEL: @fold_memchr_a12345_3_uimax_p2(
|
|
; CHECK-NEXT: ret ptr getelementptr inbounds nuw (i8, ptr @a12345, i64 2)
|
|
;
|
|
|
|
%res = call ptr @memchr(ptr @a12345, i32 3, i64 4294967297)
|
|
ret ptr %res
|
|
}
|
|
|
|
|
|
; Do not fold memchr(a12345, c, UINT_MAX + (size_t)2).
|
|
|
|
define ptr @fold_memchr_a12345_c_uimax_p2(i32 %0) {
|
|
; CHECK-LABEL: @fold_memchr_a12345_c_uimax_p2(
|
|
; CHECK-NEXT: [[RES:%.*]] = call ptr @memchr(ptr noundef nonnull dereferenceable(1) @a12345, i32 [[TMP0:%.*]], i64 4294967297)
|
|
; CHECK-NEXT: ret ptr [[RES]]
|
|
;
|
|
|
|
%res = call ptr @memchr(ptr @a12345, i32 %0, i64 4294967297)
|
|
ret ptr %res
|
|
}
|