Files
TheRock/compiler/amd-llvm/llvm/test/CodeGen/SystemZ/int-cmp-56.ll
T
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
Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

164 lines
2.7 KiB
LLVM

; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
;
; Check that signed comparisons against 0 are only eliminated if the "nsw"
; flag is present on the defining add (with register) instruction. For an
; equality comparison, add logical can be used.
define i32 @fun0(i32 %arg, i32 %arg2, i32 %arg3) {
; CHECK-LABEL: fun0:
; CHECK: jle .LBB0_2{{$}}
; CHECK: je .LBB0_4{{$}}
bb:
%tmp2 = add nsw i32 %arg, %arg2
%tmp3 = icmp sgt i32 %tmp2, 0
br i1 %tmp3, label %bb3, label %bb1
bb1:
%tmp4 = add nsw i32 %arg, %arg3
%tmp5 = icmp eq i32 %tmp4, 0
br i1 %tmp5, label %bb4, label %bb2
bb2:
ret i32 0
bb3:
ret i32 1
bb4:
ret i32 2
}
; No "nsw" flag
define i32 @fun1(i32 %arg, i32 %arg2, i32 %arg3) {
; CHECK-LABEL: fun1:
; CHECK: cijle
; CHECK: alr
; CHECK: jhe
bb:
%tmp2 = add i32 %arg, %arg2
%tmp3 = icmp sgt i32 %tmp2, 0
br i1 %tmp3, label %bb3, label %bb1
bb1:
%tmp4 = add i32 %arg, %arg3
%tmp5 = icmp eq i32 %tmp4, 0
br i1 %tmp5, label %bb4, label %bb2
bb2:
ret i32 0
bb3:
ret i32 1
bb4:
ret i32 2
}
; "nuw" flag
define i32 @fun2(i32 %arg, i32 %arg2, i32 %arg3) {
; CHECK-LABEL: fun2:
; CHECK: cijle
; CHECK: alr
; CHECK: jhe
bb:
%tmp2 = add nuw i32 %arg, %arg2
%tmp3 = icmp sgt i32 %tmp2, 0
br i1 %tmp3, label %bb3, label %bb1
bb1:
%tmp4 = add nuw i32 %arg, %arg3
%tmp5 = icmp eq i32 %tmp4, 0
br i1 %tmp5, label %bb4, label %bb2
bb2:
ret i32 0
bb3:
ret i32 1
bb4:
ret i32 2
}
; Subtraction does not produce the value of zero in case of overflow, so
; "nsw" is not needed for the equality check against zero.
define i32 @fun3(i32 %arg, i32 %arg2, i32 %arg3) {
; CHECK-LABEL: fun3:
; CHECK: jle .LBB3_2{{$}}
; CHECK: je .LBB3_4{{$}}
bb:
%tmp2 = sub nsw i32 %arg, %arg2
%tmp3 = icmp sgt i32 %tmp2, 0
br i1 %tmp3, label %bb3, label %bb1
bb1:
%tmp4 = sub nsw i32 %arg, %arg3
%tmp5 = icmp eq i32 %tmp4, 0
br i1 %tmp5, label %bb4, label %bb2
bb2:
ret i32 0
bb3:
ret i32 1
bb4:
ret i32 2
}
; No "nsw" flag
define i32 @fun4(i32 %arg, i32 %arg2, i32 %arg3) {
; CHECK-LABEL: fun4:
; CHECK: cijle
; CHECK: je .LBB4_4{{$}}
bb:
%tmp2 = sub i32 %arg, %arg2
%tmp3 = icmp sgt i32 %tmp2, 0
br i1 %tmp3, label %bb3, label %bb1
bb1:
%tmp4 = sub i32 %arg, %arg3
%tmp5 = icmp eq i32 %tmp4, 0
br i1 %tmp5, label %bb4, label %bb2
bb2:
ret i32 0
bb3:
ret i32 1
bb4:
ret i32 2
}
; "nuw" flag
define i32 @fun5(i32 %arg, i32 %arg2, i32 %arg3) {
; CHECK-LABEL: fun5:
; CHECK: cijle
; CHECK: je .LBB5_4{{$}}
bb:
%tmp2 = sub nuw i32 %arg, %arg2
%tmp3 = icmp sgt i32 %tmp2, 0
br i1 %tmp3, label %bb3, label %bb1
bb1:
%tmp4 = sub nuw i32 %arg, %arg3
%tmp5 = icmp eq i32 %tmp4, 0
br i1 %tmp5, label %bb4, label %bb2
bb2:
ret i32 0
bb3:
ret i32 1
bb4:
ret i32 2
}