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
65 lines
1.9 KiB
LLVM
65 lines
1.9 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 strncmp() 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 i32 @strncmp(ptr, ptr, i64)
|
|
|
|
@ax = external global [0 x i8]
|
|
@bx = external global [0 x i8]
|
|
|
|
@a12345 = constant [5 x i8] c"\01\02\03\04\05"
|
|
@a123456 = constant [6 x i8] c"\01\02\03\04\05\06"
|
|
|
|
|
|
; Do not fold strncmp(ax, bx, UINT_MAX + (size_t)1) to 0.
|
|
|
|
define i32 @call_strncmp_ax_bx_uimax_p1() {
|
|
; CHECK-LABEL: @call_strncmp_ax_bx_uimax_p1(
|
|
; CHECK-NEXT: [[RES:%.*]] = call i32 @strncmp(ptr noundef nonnull dereferenceable(1) @ax, ptr noundef nonnull dereferenceable(1) @bx, i64 4294967296)
|
|
; CHECK-NEXT: ret i32 [[RES]]
|
|
;
|
|
|
|
%res = call i32 @strncmp(ptr @ax, ptr @bx, i64 4294967296)
|
|
ret i32 %res
|
|
}
|
|
|
|
|
|
; Do not fold strncmp(ax, bx, UINT_MAX + (size_t)2) to *ax - *bx.
|
|
|
|
define i32 @call_strncmp_ax_bx_uimax_p2() {
|
|
; CHECK-LABEL: @call_strncmp_ax_bx_uimax_p2(
|
|
; CHECK-NEXT: [[RES:%.*]] = call i32 @strncmp(ptr noundef nonnull dereferenceable(1) @ax, ptr noundef nonnull dereferenceable(1) @bx, i64 4294967296)
|
|
; CHECK-NEXT: ret i32 [[RES]]
|
|
;
|
|
|
|
%res = call i32 @strncmp(ptr @ax, ptr @bx, i64 4294967296)
|
|
ret i32 %res
|
|
}
|
|
|
|
|
|
; Fold strncmp(a12345, a123456, UINT_MAX + (size_t)2) to -1 (and not to 0).
|
|
|
|
define i32 @fold_strncmp_a12345_2_uimax_p2() {
|
|
; CHECK-LABEL: @fold_strncmp_a12345_2_uimax_p2(
|
|
; CHECK-NEXT: ret i32 -1
|
|
;
|
|
|
|
%res = call i32 @strncmp(ptr @a12345, ptr @a123456, i64 4294967297)
|
|
ret i32 %res
|
|
}
|
|
|
|
|
|
; Fold strncmp(a123456, a12345, UINT_MAX + (size_t)3) to +1 (and not to 0).
|
|
|
|
define i32 @fold_strncmp_a12345_2_uimax_p3() {
|
|
; CHECK-LABEL: @fold_strncmp_a12345_2_uimax_p3(
|
|
; CHECK-NEXT: ret i32 1
|
|
;
|
|
|
|
%res = call i32 @strncmp(ptr @a123456, ptr @a12345, i64 4294967298)
|
|
ret i32 %res
|
|
}
|