diff --git a/llvm/test/Transforms/LoopVectorize/RISCV/vectorize-force-tail-with-evl-fixed-order-recurrence.ll b/llvm/test/Transforms/LoopVectorize/RISCV/vectorize-force-tail-with-evl-fixed-order-recurrence.ll index 3e6588befaec5..1dfda837f95a5 100644 --- a/llvm/test/Transforms/LoopVectorize/RISCV/vectorize-force-tail-with-evl-fixed-order-recurrence.ll +++ b/llvm/test/Transforms/LoopVectorize/RISCV/vectorize-force-tail-with-evl-fixed-order-recurrence.ll @@ -542,6 +542,109 @@ for.end: ret void } +define i32 @FOR_reduction(ptr noalias %A, ptr noalias %B, i64 %TC) { +; IF-EVL-LABEL: define i32 @FOR_reduction( +; IF-EVL-SAME: ptr noalias [[A:%.*]], ptr noalias [[B:%.*]], i64 [[TC:%.*]]) #[[ATTR0]] { +; IF-EVL-NEXT: [[ENTRY:.*]]: +; IF-EVL-NEXT: br label %[[FOR_BODY:.*]] +; IF-EVL: [[FOR_BODY]]: +; IF-EVL-NEXT: [[INDVARS:%.*]] = phi i64 [ 0, %[[ENTRY]] ], [ [[INDVARS_NEXT:%.*]], %[[FOR_BODY]] ] +; IF-EVL-NEXT: [[FOR1:%.*]] = phi i32 [ 33, %[[ENTRY]] ], [ [[TMP0:%.*]], %[[FOR_BODY]] ] +; IF-EVL-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[INDVARS]] +; IF-EVL-NEXT: [[TMP0]] = load i32, ptr [[ARRAYIDX]], align 4 +; IF-EVL-NEXT: [[ADD:%.*]] = add nsw i32 [[FOR1]], [[TMP0]] +; IF-EVL-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds nuw i32, ptr [[B]], i64 [[INDVARS]] +; IF-EVL-NEXT: store i32 [[ADD]], ptr [[ARRAYIDX2]], align 4 +; IF-EVL-NEXT: [[INDVARS_NEXT]] = add nuw nsw i64 [[INDVARS]], 1 +; IF-EVL-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_NEXT]], [[TC]] +; IF-EVL-NEXT: br i1 [[EXITCOND_NOT]], label %[[FOR_END:.*]], label %[[FOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]] +; IF-EVL: [[FOR_END]]: +; IF-EVL-NEXT: [[FOR1_LCSSA:%.*]] = phi i32 [ [[FOR1]], %[[FOR_BODY]] ] +; IF-EVL-NEXT: ret i32 [[FOR1_LCSSA]] +; +; NO-VP-LABEL: define i32 @FOR_reduction( +; NO-VP-SAME: ptr noalias [[A:%.*]], ptr noalias [[B:%.*]], i64 [[TC:%.*]]) #[[ATTR0]] { +; NO-VP-NEXT: [[ENTRY:.*]]: +; NO-VP-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64() +; NO-VP-NEXT: [[TMP1:%.*]] = mul i64 [[TMP0]], 4 +; NO-VP-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TC]], [[TMP1]] +; NO-VP-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; NO-VP: [[VECTOR_PH]]: +; NO-VP-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64() +; NO-VP-NEXT: [[TMP3:%.*]] = mul i64 [[TMP2]], 4 +; NO-VP-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TC]], [[TMP3]] +; NO-VP-NEXT: [[N_VEC:%.*]] = sub i64 [[TC]], [[N_MOD_VF]] +; NO-VP-NEXT: [[TMP4:%.*]] = call i64 @llvm.vscale.i64() +; NO-VP-NEXT: [[TMP5:%.*]] = mul i64 [[TMP4]], 4 +; NO-VP-NEXT: [[TMP6:%.*]] = call i32 @llvm.vscale.i32() +; NO-VP-NEXT: [[TMP7:%.*]] = mul i32 [[TMP6]], 4 +; NO-VP-NEXT: [[TMP8:%.*]] = sub i32 [[TMP7]], 1 +; NO-VP-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement poison, i32 33, i32 [[TMP8]] +; NO-VP-NEXT: br label %[[VECTOR_BODY:.*]] +; NO-VP: [[VECTOR_BODY]]: +; NO-VP-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; NO-VP-NEXT: [[VECTOR_RECUR:%.*]] = phi [ [[VECTOR_RECUR_INIT]], %[[VECTOR_PH]] ], [ [[WIDE_LOAD:%.*]], %[[VECTOR_BODY]] ] +; NO-VP-NEXT: [[TMP9:%.*]] = add i64 [[INDEX]], 0 +; NO-VP-NEXT: [[TMP10:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[TMP9]] +; NO-VP-NEXT: [[TMP11:%.*]] = getelementptr inbounds nuw i32, ptr [[TMP10]], i32 0 +; NO-VP-NEXT: [[WIDE_LOAD]] = load , ptr [[TMP11]], align 4 +; NO-VP-NEXT: [[TMP12:%.*]] = call @llvm.vector.splice.nxv4i32( [[VECTOR_RECUR]], [[WIDE_LOAD]], i32 -1) +; NO-VP-NEXT: [[TMP13:%.*]] = add nsw [[TMP12]], [[WIDE_LOAD]] +; NO-VP-NEXT: [[TMP14:%.*]] = getelementptr inbounds nuw i32, ptr [[B]], i64 [[TMP9]] +; NO-VP-NEXT: [[TMP15:%.*]] = getelementptr inbounds nuw i32, ptr [[TMP14]], i32 0 +; NO-VP-NEXT: store [[TMP13]], ptr [[TMP15]], align 4 +; NO-VP-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP5]] +; NO-VP-NEXT: [[TMP16:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; NO-VP-NEXT: br i1 [[TMP16]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]] +; NO-VP: [[MIDDLE_BLOCK]]: +; NO-VP-NEXT: [[TMP17:%.*]] = call i32 @llvm.vscale.i32() +; NO-VP-NEXT: [[TMP18:%.*]] = mul i32 [[TMP17]], 4 +; NO-VP-NEXT: [[TMP19:%.*]] = sub i32 [[TMP18]], 2 +; NO-VP-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement [[WIDE_LOAD]], i32 [[TMP19]] +; NO-VP-NEXT: [[TMP20:%.*]] = call i32 @llvm.vscale.i32() +; NO-VP-NEXT: [[TMP21:%.*]] = mul i32 [[TMP20]], 4 +; NO-VP-NEXT: [[TMP22:%.*]] = sub i32 [[TMP21]], 1 +; NO-VP-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement [[WIDE_LOAD]], i32 [[TMP22]] +; NO-VP-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TC]], [[N_VEC]] +; NO-VP-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] +; NO-VP: [[SCALAR_PH]]: +; NO-VP-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; NO-VP-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ [[VECTOR_RECUR_EXTRACT]], %[[MIDDLE_BLOCK]] ], [ 33, %[[ENTRY]] ] +; NO-VP-NEXT: br label %[[FOR_BODY:.*]] +; NO-VP: [[FOR_BODY]]: +; NO-VP-NEXT: [[INDVARS:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INDVARS_NEXT:%.*]], %[[FOR_BODY]] ] +; NO-VP-NEXT: [[FOR1:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], %[[SCALAR_PH]] ], [ [[TMP23:%.*]], %[[FOR_BODY]] ] +; NO-VP-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[INDVARS]] +; NO-VP-NEXT: [[TMP23]] = load i32, ptr [[ARRAYIDX]], align 4 +; NO-VP-NEXT: [[ADD:%.*]] = add nsw i32 [[FOR1]], [[TMP23]] +; NO-VP-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds nuw i32, ptr [[B]], i64 [[INDVARS]] +; NO-VP-NEXT: store i32 [[ADD]], ptr [[ARRAYIDX2]], align 4 +; NO-VP-NEXT: [[INDVARS_NEXT]] = add nuw nsw i64 [[INDVARS]], 1 +; NO-VP-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_NEXT]], [[TC]] +; NO-VP-NEXT: br i1 [[EXITCOND_NOT]], label %[[FOR_END]], label %[[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]] +; NO-VP: [[FOR_END]]: +; NO-VP-NEXT: [[FOR1_LCSSA:%.*]] = phi i32 [ [[FOR1]], %[[FOR_BODY]] ], [ [[VECTOR_RECUR_EXTRACT_FOR_PHI]], %[[MIDDLE_BLOCK]] ] +; NO-VP-NEXT: ret i32 [[FOR1_LCSSA]] +; +entry: + br label %for.body + +for.body: + %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ] + %for1 = phi i32 [ 33, %entry ], [ %0, %for.body ] + %arrayidx = getelementptr inbounds nuw i32, ptr %A, i64 %iv + %0 = load i32, ptr %arrayidx, align 4 + %add = add nsw i32 %for1, %0 + %arrayidx2 = getelementptr inbounds nuw i32, ptr %B, i64 %iv + store i32 %add, ptr %arrayidx2, align 4 + %iv.next = add nuw nsw i64 %iv, 1 + %exitcond.not = icmp eq i64 %iv.next, %TC + br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !0 + +for.end: + ret i32 %for1 +} + !0 = distinct !{!0, !1} !1 = !{!"llvm.loop.vectorize.enable", i1 true} ;. @@ -553,6 +656,8 @@ for.end: ; IF-EVL: [[LOOP5]] = distinct !{[[LOOP5]], [[META2]], [[META1]]} ; IF-EVL: [[LOOP6]] = distinct !{[[LOOP6]], [[META1]], [[META2]]} ; IF-EVL: [[LOOP7]] = distinct !{[[LOOP7]], [[META2]], [[META1]]} +; IF-EVL: [[LOOP8]] = distinct !{[[LOOP8]], [[META9:![0-9]+]]} +; IF-EVL: [[META9]] = !{!"llvm.loop.vectorize.enable", i1 true} ;. ; NO-VP: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]} ; NO-VP: [[META1]] = !{!"llvm.loop.isvectorized", i32 1} @@ -562,4 +667,6 @@ for.end: ; NO-VP: [[LOOP5]] = distinct !{[[LOOP5]], [[META2]], [[META1]]} ; NO-VP: [[LOOP6]] = distinct !{[[LOOP6]], [[META1]], [[META2]]} ; NO-VP: [[LOOP7]] = distinct !{[[LOOP7]], [[META2]], [[META1]]} +; NO-VP: [[LOOP8]] = distinct !{[[LOOP8]], [[META1]], [[META2]]} +; NO-VP: [[LOOP9]] = distinct !{[[LOOP9]], [[META2]], [[META1]]} ;.