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TheRock/compiler/amd-llvm/llvm/test/Transforms/LoopIdiom/memmove-tbaa.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

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5.8 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; RUN: opt -passes="loop-idiom" < %s -S | FileCheck %s
define void @looper(ptr nocapture %out) {
; CHECK-LABEL: define void @looper(
; CHECK-SAME: ptr captures(none) [[OUT:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: [[M:%.*]] = getelementptr double, ptr [[OUT]], i32 16
; CHECK-NEXT: call void @llvm.memmove.p0.p0.i64(ptr align 8 [[OUT]], ptr align 8 [[M]], i64 256, i1 false), !tbaa [[DOUBLE_TBAA0:![0-9]+]]
; CHECK-NEXT: br label %[[FOR_BODY4:.*]]
; CHECK: [[FOR_BODY4]]:
; CHECK-NEXT: [[J_020:%.*]] = phi i64 [ 0, %[[ENTRY]] ], [ [[INC:%.*]], %[[FOR_BODY4]] ]
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds double, ptr [[M]], i64 [[J_020]]
; CHECK-NEXT: [[A0:%.*]] = load double, ptr [[ARRAYIDX]], align 8, !tbaa [[DOUBLE_TBAA0]]
; CHECK-NEXT: [[ARRAYIDX8:%.*]] = getelementptr inbounds double, ptr [[OUT]], i64 [[J_020]]
; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[J_020]], 1
; CHECK-NEXT: [[CMP2:%.*]] = icmp ult i64 [[J_020]], 31
; CHECK-NEXT: br i1 [[CMP2]], label %[[FOR_BODY4]], label %[[FOR_COND_CLEANUP:.*]]
; CHECK: [[FOR_COND_CLEANUP]]:
; CHECK-NEXT: ret void
;
entry:
%M = getelementptr double, ptr %out, i32 16
br label %for.body4
for.body4: ; preds = %for.cond1.preheader, %for.body4
%j.020 = phi i64 [ 0, %entry ], [ %inc, %for.body4 ]
%arrayidx = getelementptr inbounds double, ptr %M, i64 %j.020
%a0 = load double, ptr %arrayidx, align 8, !tbaa !5
%arrayidx8 = getelementptr inbounds double, ptr %out, i64 %j.020
store double %a0, ptr %arrayidx8, align 8, !tbaa !5
%inc = add nuw nsw i64 %j.020, 1
%cmp2 = icmp ult i64 %j.020, 31
br i1 %cmp2, label %for.body4, label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.cond.cleanup3
ret void
}
define void @looperBadMerge(ptr nocapture %out) {
; CHECK-LABEL: define void @looperBadMerge(
; CHECK-SAME: ptr captures(none) [[OUT:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: [[M:%.*]] = getelementptr double, ptr [[OUT]], i32 16
; CHECK-NEXT: call void @llvm.memmove.p0.p0.i64(ptr align 8 [[OUT]], ptr align 8 [[M]], i64 256, i1 false), !tbaa [[CHAR_TBAA4:![0-9]+]]
; CHECK-NEXT: br label %[[FOR_BODY4:.*]]
; CHECK: [[FOR_BODY4]]:
; CHECK-NEXT: [[J_020:%.*]] = phi i64 [ 0, %[[ENTRY]] ], [ [[INC:%.*]], %[[FOR_BODY4]] ]
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds double, ptr [[M]], i64 [[J_020]]
; CHECK-NEXT: [[A0:%.*]] = load double, ptr [[ARRAYIDX]], align 8, !tbaa [[DOUBLE_TBAA0]]
; CHECK-NEXT: [[ARRAYIDX8:%.*]] = getelementptr inbounds double, ptr [[OUT]], i64 [[J_020]]
; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[J_020]], 1
; CHECK-NEXT: [[CMP2:%.*]] = icmp ult i64 [[J_020]], 31
; CHECK-NEXT: br i1 [[CMP2]], label %[[FOR_BODY4]], label %[[FOR_COND_CLEANUP:.*]]
; CHECK: [[FOR_COND_CLEANUP]]:
; CHECK-NEXT: ret void
;
entry:
%M = getelementptr double, ptr %out, i32 16
br label %for.body4
for.body4: ; preds = %for.cond1.preheader, %for.body4
%j.020 = phi i64 [ 0, %entry ], [ %inc, %for.body4 ]
%arrayidx = getelementptr inbounds double, ptr %M, i64 %j.020
%a0 = load double, ptr %arrayidx, align 8, !tbaa !5
%arrayidx8 = getelementptr inbounds double, ptr %out, i64 %j.020
store double %a0, ptr %arrayidx8, align 8, !tbaa !3
%inc = add nuw nsw i64 %j.020, 1
%cmp2 = icmp ult i64 %j.020, 31
br i1 %cmp2, label %for.body4, label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.cond.cleanup3
ret void
}
define void @looperGoodMerge(ptr nocapture %out) {
; CHECK-LABEL: define void @looperGoodMerge(
; CHECK-SAME: ptr captures(none) [[OUT:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: [[M:%.*]] = getelementptr double, ptr [[OUT]], i32 16
; CHECK-NEXT: call void @llvm.memmove.p0.p0.i64(ptr align 8 [[OUT]], ptr align 8 [[M]], i64 256, i1 false)
; CHECK-NEXT: br label %[[FOR_BODY4:.*]]
; CHECK: [[FOR_BODY4]]:
; CHECK-NEXT: [[J_020:%.*]] = phi i64 [ 0, %[[ENTRY]] ], [ [[INC:%.*]], %[[FOR_BODY4]] ]
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds double, ptr [[M]], i64 [[J_020]]
; CHECK-NEXT: [[A0:%.*]] = load double, ptr [[ARRAYIDX]], align 8, !tbaa [[DOUBLE_TBAA0]]
; CHECK-NEXT: [[ARRAYIDX8:%.*]] = getelementptr inbounds double, ptr [[OUT]], i64 [[J_020]]
; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[J_020]], 1
; CHECK-NEXT: [[CMP2:%.*]] = icmp ult i64 [[J_020]], 31
; CHECK-NEXT: br i1 [[CMP2]], label %[[FOR_BODY4]], label %[[FOR_COND_CLEANUP:.*]]
; CHECK: [[FOR_COND_CLEANUP]]:
; CHECK-NEXT: ret void
;
entry:
%M = getelementptr double, ptr %out, i32 16
br label %for.body4
for.body4: ; preds = %for.cond1.preheader, %for.body4
%j.020 = phi i64 [ 0, %entry ], [ %inc, %for.body4 ]
%arrayidx = getelementptr inbounds double, ptr %M, i64 %j.020
%a0 = load double, ptr %arrayidx, align 8, !tbaa !5
%arrayidx8 = getelementptr inbounds double, ptr %out, i64 %j.020
store double %a0, ptr %arrayidx8, align 8
%inc = add nuw nsw i64 %j.020, 1
%cmp2 = icmp ult i64 %j.020, 31
br i1 %cmp2, label %for.body4, label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.cond.cleanup3
ret void
}
!3 = !{!4, !4, i64 0}
!4 = !{!"float", !7, i64 0}
!5 = !{!6, !6, i64 0}
!6 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
;.
; CHECK: [[DOUBLE_TBAA0]] = !{[[META1:![0-9]+]], [[META1]], i64 0}
; CHECK: [[META1]] = !{!"double", [[META2:![0-9]+]], i64 0}
; CHECK: [[META2]] = !{!"omnipotent char", [[META3:![0-9]+]], i64 0}
; CHECK: [[META3]] = !{!"Simple C++ TBAA"}
; CHECK: [[CHAR_TBAA4]] = !{[[META2]], [[META2]], i64 0}
;.
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