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
108 lines
3.4 KiB
LLVM
108 lines
3.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
|
|
|
|
; With left shift, the comparison should not be modified.
|
|
define i1 @test_shift_and_cmp_not_changed1(i8 %p) {
|
|
; CHECK-LABEL: @test_shift_and_cmp_not_changed1(
|
|
; CHECK-NEXT: [[SHLP:%.*]] = shl i8 [[P:%.*]], 5
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i8 [[SHLP]], 64
|
|
; CHECK-NEXT: ret i1 [[CMP]]
|
|
;
|
|
%shlp = shl i8 %p, 5
|
|
%andp = and i8 %shlp, -64
|
|
%cmp = icmp slt i8 %andp, 32
|
|
ret i1 %cmp
|
|
}
|
|
|
|
; With arithmetic right shift, the comparison should not be modified.
|
|
define i1 @test_shift_and_cmp_not_changed2(i8 %p) {
|
|
; CHECK-LABEL: @test_shift_and_cmp_not_changed2(
|
|
; CHECK-NEXT: ret i1 true
|
|
;
|
|
%shlp = ashr i8 %p, 5
|
|
%andp = and i8 %shlp, -64
|
|
%cmp = icmp slt i8 %andp, 32
|
|
ret i1 %cmp
|
|
}
|
|
|
|
; This should simplify functionally to the left shift case.
|
|
; The extra input parameter should be optimized away.
|
|
define i1 @test_shift_and_cmp_changed1(i8 %p, i8 %q) {
|
|
; CHECK-LABEL: @test_shift_and_cmp_changed1(
|
|
; CHECK-NEXT: [[ANDP:%.*]] = shl i8 [[P:%.*]], 5
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i8 [[ANDP]], 33
|
|
; CHECK-NEXT: ret i1 [[CMP]]
|
|
;
|
|
%andp = and i8 %p, 6
|
|
%andq = and i8 %q, 8
|
|
%or = or i8 %andq, %andp
|
|
%shl = shl i8 %or, 5
|
|
%ashr = ashr i8 %shl, 5
|
|
%cmp = icmp slt i8 %ashr, 1
|
|
ret i1 %cmp
|
|
}
|
|
|
|
define <2 x i1> @test_shift_and_cmp_changed1_vec(<2 x i8> %p, <2 x i8> %q) {
|
|
; CHECK-LABEL: @test_shift_and_cmp_changed1_vec(
|
|
; CHECK-NEXT: [[ANDP:%.*]] = shl <2 x i8> [[P:%.*]], splat (i8 5)
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp slt <2 x i8> [[ANDP]], splat (i8 33)
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP]]
|
|
;
|
|
%andp = and <2 x i8> %p, <i8 6, i8 6>
|
|
%andq = and <2 x i8> %q, <i8 8, i8 8>
|
|
%or = or <2 x i8> %andq, %andp
|
|
%shl = shl <2 x i8> %or, <i8 5, i8 5>
|
|
%ashr = ashr <2 x i8> %shl, <i8 5, i8 5>
|
|
%cmp = icmp slt <2 x i8> %ashr, <i8 1, i8 1>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
; Unsigned compare allows a transformation to compare against 0.
|
|
define i1 @test_shift_and_cmp_changed2(i8 %p) {
|
|
; CHECK-LABEL: @test_shift_and_cmp_changed2(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = and i8 [[P:%.*]], 6
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[TMP1]], 0
|
|
; CHECK-NEXT: ret i1 [[CMP]]
|
|
;
|
|
%shlp = shl i8 %p, 5
|
|
%andp = and i8 %shlp, -64
|
|
%cmp = icmp ult i8 %andp, 32
|
|
ret i1 %cmp
|
|
}
|
|
|
|
define <2 x i1> @test_shift_and_cmp_changed2_vec(<2 x i8> %p) {
|
|
; CHECK-LABEL: @test_shift_and_cmp_changed2_vec(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i8> [[P:%.*]], splat (i8 6)
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp eq <2 x i8> [[TMP1]], zeroinitializer
|
|
; CHECK-NEXT: ret <2 x i1> [[CMP]]
|
|
;
|
|
%shlp = shl <2 x i8> %p, <i8 5, i8 5>
|
|
%andp = and <2 x i8> %shlp, <i8 -64, i8 -64>
|
|
%cmp = icmp ult <2 x i8> %andp, <i8 32, i8 32>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
; nsw on the shift should not affect the comparison.
|
|
define i1 @test_shift_and_cmp_changed3(i8 %p) {
|
|
; CHECK-LABEL: @test_shift_and_cmp_changed3(
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i8 [[P:%.*]], 2
|
|
; CHECK-NEXT: ret i1 [[CMP]]
|
|
;
|
|
%shlp = shl nsw i8 %p, 5
|
|
%andp = and i8 %shlp, -64
|
|
%cmp = icmp slt i8 %andp, 32
|
|
ret i1 %cmp
|
|
}
|
|
|
|
; Logical shift right allows a return true because the 'and' guarantees no bits are set.
|
|
define i1 @test_shift_and_cmp_changed4(i8 %p) {
|
|
; CHECK-LABEL: @test_shift_and_cmp_changed4(
|
|
; CHECK-NEXT: ret i1 true
|
|
;
|
|
%shlp = lshr i8 %p, 5
|
|
%andp = and i8 %shlp, -64
|
|
%cmp = icmp slt i8 %andp, 32
|
|
ret i1 %cmp
|
|
}
|
|
|