derek.holloway
7502bf64a4
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153 lines
6.7 KiB
LLVM
153 lines
6.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --version 6
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; RUN: opt -passes=loop-vectorize -force-vector-width=2 -S %s | FileCheck %s --check-prefix=VF2
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; RUN: opt -passes=loop-vectorize -force-vector-width=4 -S %s | FileCheck %s --check-prefix=VF4
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; RUN: opt -passes=loop-vectorize -force-vector-width=8 -S %s | FileCheck %s --check-prefix=VF8
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define i32 @clamped_load_reduction_bound4(ptr %A) {
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; VF2-LABEL: define i32 @clamped_load_reduction_bound4(
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; VF2-SAME: ptr [[A:%.*]]) {
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; VF2-NEXT: [[ENTRY:.*]]:
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; VF2-NEXT: br label %[[LOOP:.*]]
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; VF2: [[LOOP]]:
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; VF2-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[INDEX_NEXT:%.*]], %[[LOOP]] ]
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; VF2-NEXT: [[SUM:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[SUM_NEXT:%.*]], %[[LOOP]] ]
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; VF2-NEXT: [[CLAMPED:%.*]] = urem i32 [[INDEX]], 4
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; VF2-NEXT: [[GEP_A:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[CLAMPED]]
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; VF2-NEXT: [[LV:%.*]] = load i32, ptr [[GEP_A]], align 4
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; VF2-NEXT: [[SUM_NEXT]] = add i32 [[SUM]], [[LV]]
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; VF2-NEXT: [[INDEX_NEXT]] = add nuw nsw i32 [[INDEX]], 1
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; VF2-NEXT: [[COND:%.*]] = icmp eq i32 [[INDEX_NEXT]], 128
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; VF2-NEXT: br i1 [[COND]], label %[[EXIT:.*]], label %[[LOOP]]
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; VF2: [[EXIT]]:
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; VF2-NEXT: [[R:%.*]] = phi i32 [ [[SUM_NEXT]], %[[LOOP]] ]
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; VF2-NEXT: ret i32 [[R]]
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;
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; VF4-LABEL: define i32 @clamped_load_reduction_bound4(
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; VF4-SAME: ptr [[A:%.*]]) {
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; VF4-NEXT: [[ENTRY:.*]]:
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; VF4-NEXT: br label %[[LOOP:.*]]
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; VF4: [[LOOP]]:
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; VF4-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[INDEX_NEXT:%.*]], %[[LOOP]] ]
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; VF4-NEXT: [[SUM:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[SUM_NEXT:%.*]], %[[LOOP]] ]
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; VF4-NEXT: [[CLAMPED:%.*]] = urem i32 [[INDEX]], 4
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; VF4-NEXT: [[GEP_A:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[CLAMPED]]
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; VF4-NEXT: [[LV:%.*]] = load i32, ptr [[GEP_A]], align 4
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; VF4-NEXT: [[SUM_NEXT]] = add i32 [[SUM]], [[LV]]
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; VF4-NEXT: [[INDEX_NEXT]] = add nuw nsw i32 [[INDEX]], 1
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; VF4-NEXT: [[COND:%.*]] = icmp eq i32 [[INDEX_NEXT]], 128
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; VF4-NEXT: br i1 [[COND]], label %[[EXIT:.*]], label %[[LOOP]]
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; VF4: [[EXIT]]:
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; VF4-NEXT: [[R:%.*]] = phi i32 [ [[SUM_NEXT]], %[[LOOP]] ]
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; VF4-NEXT: ret i32 [[R]]
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;
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; VF8-LABEL: define i32 @clamped_load_reduction_bound4(
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; VF8-SAME: ptr [[A:%.*]]) {
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; VF8-NEXT: [[ENTRY:.*]]:
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; VF8-NEXT: br label %[[LOOP:.*]]
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; VF8: [[LOOP]]:
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; VF8-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[INDEX_NEXT:%.*]], %[[LOOP]] ]
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; VF8-NEXT: [[SUM:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[SUM_NEXT:%.*]], %[[LOOP]] ]
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; VF8-NEXT: [[CLAMPED:%.*]] = urem i32 [[INDEX]], 4
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; VF8-NEXT: [[GEP_A:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[CLAMPED]]
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; VF8-NEXT: [[LV:%.*]] = load i32, ptr [[GEP_A]], align 4
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; VF8-NEXT: [[SUM_NEXT]] = add i32 [[SUM]], [[LV]]
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; VF8-NEXT: [[INDEX_NEXT]] = add nuw nsw i32 [[INDEX]], 1
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; VF8-NEXT: [[COND:%.*]] = icmp eq i32 [[INDEX_NEXT]], 128
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; VF8-NEXT: br i1 [[COND]], label %[[EXIT:.*]], label %[[LOOP]]
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; VF8: [[EXIT]]:
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; VF8-NEXT: [[R:%.*]] = phi i32 [ [[SUM_NEXT]], %[[LOOP]] ]
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; VF8-NEXT: ret i32 [[R]]
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;
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entry:
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br label %loop
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loop:
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%iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
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%sum = phi i32 [ 0, %entry ], [ %sum.next, %loop ]
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%clamped = urem i32 %iv, 4
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%gep.A = getelementptr inbounds i32, ptr %A, i32 %clamped
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%lv = load i32, ptr %gep.A
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%sum.next = add i32 %sum, %lv
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%iv.next = add nuw nsw i32 %iv, 1
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%cond = icmp eq i32 %iv.next, 128
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br i1 %cond, label %exit, label %loop
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exit:
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%r = phi i32 [ %sum.next, %loop ]
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ret i32 %r
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}
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define i32 @clamped_load_reduction_bound8(ptr %A) {
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; VF2-LABEL: define i32 @clamped_load_reduction_bound8(
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; VF2-SAME: ptr [[A:%.*]]) {
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; VF2-NEXT: [[ENTRY:.*]]:
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; VF2-NEXT: br label %[[LOOP:.*]]
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; VF2: [[LOOP]]:
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; VF2-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[INDEX_NEXT:%.*]], %[[LOOP]] ]
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; VF2-NEXT: [[SUM:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[SUM_NEXT:%.*]], %[[LOOP]] ]
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; VF2-NEXT: [[CLAMPED:%.*]] = urem i32 [[INDEX]], 8
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; VF2-NEXT: [[GEP_A:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[CLAMPED]]
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; VF2-NEXT: [[LV:%.*]] = load i32, ptr [[GEP_A]], align 4
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; VF2-NEXT: [[SUM_NEXT]] = add i32 [[SUM]], [[LV]]
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; VF2-NEXT: [[INDEX_NEXT]] = add nuw nsw i32 [[INDEX]], 1
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; VF2-NEXT: [[COND:%.*]] = icmp eq i32 [[INDEX_NEXT]], 128
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; VF2-NEXT: br i1 [[COND]], label %[[EXIT:.*]], label %[[LOOP]]
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; VF2: [[EXIT]]:
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; VF2-NEXT: [[R:%.*]] = phi i32 [ [[SUM_NEXT]], %[[LOOP]] ]
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; VF2-NEXT: ret i32 [[R]]
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;
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; VF4-LABEL: define i32 @clamped_load_reduction_bound8(
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; VF4-SAME: ptr [[A:%.*]]) {
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; VF4-NEXT: [[ENTRY:.*]]:
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; VF4-NEXT: br label %[[LOOP:.*]]
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; VF4: [[LOOP]]:
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; VF4-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[INDEX_NEXT:%.*]], %[[LOOP]] ]
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; VF4-NEXT: [[SUM:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[SUM_NEXT:%.*]], %[[LOOP]] ]
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; VF4-NEXT: [[CLAMPED:%.*]] = urem i32 [[INDEX]], 8
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; VF4-NEXT: [[GEP_A:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[CLAMPED]]
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; VF4-NEXT: [[LV:%.*]] = load i32, ptr [[GEP_A]], align 4
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; VF4-NEXT: [[SUM_NEXT]] = add i32 [[SUM]], [[LV]]
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; VF4-NEXT: [[INDEX_NEXT]] = add nuw nsw i32 [[INDEX]], 1
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; VF4-NEXT: [[COND:%.*]] = icmp eq i32 [[INDEX_NEXT]], 128
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; VF4-NEXT: br i1 [[COND]], label %[[EXIT:.*]], label %[[LOOP]]
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; VF4: [[EXIT]]:
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; VF4-NEXT: [[R:%.*]] = phi i32 [ [[SUM_NEXT]], %[[LOOP]] ]
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; VF4-NEXT: ret i32 [[R]]
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;
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; VF8-LABEL: define i32 @clamped_load_reduction_bound8(
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; VF8-SAME: ptr [[A:%.*]]) {
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; VF8-NEXT: [[ENTRY:.*]]:
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; VF8-NEXT: br label %[[LOOP:.*]]
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; VF8: [[LOOP]]:
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; VF8-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[INDEX_NEXT:%.*]], %[[LOOP]] ]
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; VF8-NEXT: [[SUM:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[SUM_NEXT:%.*]], %[[LOOP]] ]
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; VF8-NEXT: [[CLAMPED:%.*]] = urem i32 [[INDEX]], 8
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; VF8-NEXT: [[GEP_A:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[CLAMPED]]
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; VF8-NEXT: [[LV:%.*]] = load i32, ptr [[GEP_A]], align 4
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; VF8-NEXT: [[SUM_NEXT]] = add i32 [[SUM]], [[LV]]
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; VF8-NEXT: [[INDEX_NEXT]] = add nuw nsw i32 [[INDEX]], 1
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; VF8-NEXT: [[COND:%.*]] = icmp eq i32 [[INDEX_NEXT]], 128
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; VF8-NEXT: br i1 [[COND]], label %[[EXIT:.*]], label %[[LOOP]]
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; VF8: [[EXIT]]:
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; VF8-NEXT: [[R:%.*]] = phi i32 [ [[SUM_NEXT]], %[[LOOP]] ]
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; VF8-NEXT: ret i32 [[R]]
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;
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entry:
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br label %loop
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loop:
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%iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
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%sum = phi i32 [ 0, %entry ], [ %sum.next, %loop ]
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%clamped = urem i32 %iv, 8
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%gep.A = getelementptr inbounds i32, ptr %A, i32 %clamped
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%lv = load i32, ptr %gep.A
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%sum.next = add i32 %sum, %lv
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%iv.next = add nuw nsw i32 %iv, 1
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%cond = icmp eq i32 %iv.next, 128
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br i1 %cond, label %exit, label %loop
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exit:
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%r = phi i32 [ %sum.next, %loop ]
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ret i32 %r
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}
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