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
192 lines
4.4 KiB
LLVM
192 lines
4.4 KiB
LLVM
; Test that memcmp won't be converted to CLC if calls are
|
|
; marked with nobuiltin, eg. for sanitizers.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
declare signext i32 @memcmp(ptr %src1, ptr %src2, i64 %size)
|
|
|
|
; Zero-length comparisons should be optimized away.
|
|
define i32 @f1(ptr %src1, ptr %src2) {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK-NOT: clc
|
|
; CHECK: brasl %r14, memcmp
|
|
; CHECK: br %r14
|
|
%res = call i32 @memcmp(ptr %src1, ptr %src2, i64 0) nobuiltin
|
|
ret i32 %res
|
|
}
|
|
|
|
; Check a case where the result is used as an integer.
|
|
define i32 @f2(ptr %src1, ptr %src2) {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK-NOT: clc
|
|
; CHECK: brasl %r14, memcmp
|
|
; CHECK: br %r14
|
|
%res = call i32 @memcmp(ptr %src1, ptr %src2, i64 2) nobuiltin
|
|
ret i32 %res
|
|
}
|
|
|
|
; Check a case where the result is tested for equality.
|
|
define void @f3(ptr %src1, ptr %src2, ptr %dest) {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK-NOT: clc
|
|
; CHECK: brasl %r14, memcmp
|
|
; CHECK: br %r14
|
|
%res = call i32 @memcmp(ptr %src1, ptr %src2, i64 3) nobuiltin
|
|
%cmp = icmp eq i32 %res, 0
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 0, ptr %dest
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check a case where the result is tested for inequality.
|
|
define void @f4(ptr %src1, ptr %src2, ptr %dest) {
|
|
; CHECK-LABEL: f4:
|
|
; CHECK-NOT: clc
|
|
; CHECK: brasl %r14, memcmp
|
|
; CHECK: br %r14
|
|
entry:
|
|
%res = call i32 @memcmp(ptr %src1, ptr %src2, i64 4) nobuiltin
|
|
%cmp = icmp ne i32 %res, 0
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 0, ptr %dest
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check a case where the result is tested via slt.
|
|
define void @f5(ptr %src1, ptr %src2, ptr %dest) {
|
|
; CHECK-LABEL: f5:
|
|
; CHECK-NOT: clc
|
|
; CHECK: brasl %r14, memcmp
|
|
; CHECK: br %r14
|
|
entry:
|
|
%res = call i32 @memcmp(ptr %src1, ptr %src2, i64 5) nobuiltin
|
|
%cmp = icmp slt i32 %res, 0
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 0, ptr %dest
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check a case where the result is tested for sgt.
|
|
define void @f6(ptr %src1, ptr %src2, ptr %dest) {
|
|
; CHECK-LABEL: f6:
|
|
; CHECK-NOT: clc
|
|
; CHECK: brasl %r14, memcmp
|
|
; CHECK: br %r14
|
|
entry:
|
|
%res = call i32 @memcmp(ptr %src1, ptr %src2, i64 6) nobuiltin
|
|
%cmp = icmp sgt i32 %res, 0
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 0, ptr %dest
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check the upper end of the CLC range. Here the result is used both as
|
|
; an integer and for branching.
|
|
define i32 @f7(ptr %src1, ptr %src2, ptr %dest) {
|
|
; CHECK-LABEL: f7:
|
|
; CHECK-NOT: clc
|
|
; CHECK: brasl %r14, memcmp
|
|
; CHECK: br %r14
|
|
entry:
|
|
%res = call i32 @memcmp(ptr %src1, ptr %src2, i64 256) nobuiltin
|
|
%cmp = icmp slt i32 %res, 0
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 0, ptr %dest
|
|
br label %exit
|
|
|
|
exit:
|
|
ret i32 %res
|
|
}
|
|
|
|
; 257 bytes needs two CLCs.
|
|
define i32 @f8(ptr %src1, ptr %src2) {
|
|
; CHECK-LABEL: f8:
|
|
; CHECK-NOT: clc
|
|
; CHECK: brasl %r14, memcmp
|
|
; CHECK: br %r14
|
|
%res = call i32 @memcmp(ptr %src1, ptr %src2, i64 257) nobuiltin
|
|
ret i32 %res
|
|
}
|
|
|
|
; Test a comparison of 258 bytes in which the CC result can be used directly.
|
|
define void @f9(ptr %src1, ptr %src2, ptr %dest) {
|
|
; CHECK-LABEL: f9:
|
|
; CHECK-NOT: clc
|
|
; CHECK: brasl %r14, memcmp
|
|
; CHECK: br %r14
|
|
entry:
|
|
%res = call i32 @memcmp(ptr %src1, ptr %src2, i64 257) nobuiltin
|
|
%cmp = icmp slt i32 %res, 0
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 0, ptr %dest
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Test the largest size that can use two CLCs.
|
|
define i32 @f10(ptr %src1, ptr %src2) {
|
|
; CHECK-LABEL: f10:
|
|
; CHECK-NOT: clc
|
|
; CHECK: brasl %r14, memcmp
|
|
; CHECK: br %r14
|
|
%res = call i32 @memcmp(ptr %src1, ptr %src2, i64 512) nobuiltin
|
|
ret i32 %res
|
|
}
|
|
|
|
; Test the smallest size that needs 3 CLCs.
|
|
define i32 @f11(ptr %src1, ptr %src2) {
|
|
; CHECK-LABEL: f11:
|
|
; CHECK-NOT: clc
|
|
; CHECK: brasl %r14, memcmp
|
|
; CHECK: br %r14
|
|
%res = call i32 @memcmp(ptr %src1, ptr %src2, i64 513) nobuiltin
|
|
ret i32 %res
|
|
}
|
|
|
|
; Test the largest size than can use 3 CLCs.
|
|
define i32 @f12(ptr %src1, ptr %src2) {
|
|
; CHECK-LABEL: f12:
|
|
; CHECK-NOT: clc
|
|
; CHECK: brasl %r14, memcmp
|
|
; CHECK: br %r14
|
|
%res = call i32 @memcmp(ptr %src1, ptr %src2, i64 768) nobuiltin
|
|
ret i32 %res
|
|
}
|
|
|
|
; The next size up uses a loop instead. We leave the more complicated
|
|
; loop tests to memcpy-01.ll, which shares the same form.
|
|
define i32 @f13(ptr %src1, ptr %src2) {
|
|
; CHECK-LABEL: f13:
|
|
; CHECK-NOT: clc
|
|
; CHECK: brasl %r14, memcmp
|
|
; CHECK: br %r14
|
|
%res = call i32 @memcmp(ptr %src1, ptr %src2, i64 769) nobuiltin
|
|
ret i32 %res
|
|
}
|