1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -passes=loop-vectorize,instsimplify -force-vector-interleave=1 -force-vector-width=2 -S 2>&1 | FileCheck %s 3 4target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 5 6define void @cond_call(ptr readonly %src, ptr noalias %dest, i64 %N) { 7; CHECK-LABEL: @cond_call( 8; CHECK-NEXT: entry: 9; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 2 10; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] 11; CHECK: vector.ph: 12; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 2 13; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]] 14; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 15; CHECK: vector.body: 16; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_CALL_CONTINUE2:%.*]] ] 17; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i64, ptr [[SRC:%.*]], i64 [[INDEX]] 18; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, ptr [[TMP0]], align 8 19; CHECK-NEXT: [[TMP1:%.*]] = icmp ult <2 x i64> [[WIDE_LOAD]], splat (i64 5) 20; CHECK-NEXT: [[TMP2:%.*]] = extractelement <2 x i1> [[TMP1]], i32 0 21; CHECK-NEXT: br i1 [[TMP2]], label [[PRED_CALL_IF:%.*]], label [[PRED_CALL_CONTINUE:%.*]] 22; CHECK: pred.call.if: 23; CHECK-NEXT: [[TMP3:%.*]] = extractelement <2 x i64> [[WIDE_LOAD]], i32 0 24; CHECK-NEXT: [[TMP4:%.*]] = call i64 @foo(i64 [[TMP3]]) #[[ATTR0:[0-9]+]] 25; CHECK-NEXT: [[TMP5:%.*]] = insertelement <2 x i64> poison, i64 [[TMP4]], i32 0 26; CHECK-NEXT: br label [[PRED_CALL_CONTINUE]] 27; CHECK: pred.call.continue: 28; CHECK-NEXT: [[TMP6:%.*]] = phi <2 x i64> [ poison, [[VECTOR_BODY]] ], [ [[TMP5]], [[PRED_CALL_IF]] ] 29; CHECK-NEXT: [[TMP7:%.*]] = extractelement <2 x i1> [[TMP1]], i32 1 30; CHECK-NEXT: br i1 [[TMP7]], label [[PRED_CALL_IF1:%.*]], label [[PRED_CALL_CONTINUE2]] 31; CHECK: pred.call.if1: 32; CHECK-NEXT: [[TMP8:%.*]] = extractelement <2 x i64> [[WIDE_LOAD]], i32 1 33; CHECK-NEXT: [[TMP9:%.*]] = call i64 @foo(i64 [[TMP8]]) #[[ATTR0]] 34; CHECK-NEXT: [[TMP10:%.*]] = insertelement <2 x i64> [[TMP6]], i64 [[TMP9]], i32 1 35; CHECK-NEXT: br label [[PRED_CALL_CONTINUE2]] 36; CHECK: pred.call.continue2: 37; CHECK-NEXT: [[TMP11:%.*]] = phi <2 x i64> [ [[TMP6]], [[PRED_CALL_CONTINUE]] ], [ [[TMP10]], [[PRED_CALL_IF1]] ] 38; CHECK-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP1]], <2 x i64> [[TMP11]], <2 x i64> [[WIDE_LOAD]] 39; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i64, ptr [[DEST:%.*]], i64 [[INDEX]] 40; CHECK-NEXT: store <2 x i64> [[PREDPHI]], ptr [[TMP12]], align 8 41; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 42; CHECK-NEXT: [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] 43; CHECK-NEXT: br i1 [[TMP13]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] 44; CHECK: middle.block: 45; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]] 46; CHECK-NEXT: br i1 [[CMP_N]], label [[END:%.*]], label [[SCALAR_PH]] 47; CHECK: scalar.ph: 48; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] 49; CHECK-NEXT: br label [[FOR_BODY:%.*]] 50; CHECK: for.body: 51; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_LOOP:%.*]] ] 52; CHECK-NEXT: [[LD_ADDR:%.*]] = getelementptr inbounds i64, ptr [[SRC]], i64 [[IV]] 53; CHECK-NEXT: [[LD_VALUE:%.*]] = load i64, ptr [[LD_ADDR]], align 8 54; CHECK-NEXT: [[IFCOND:%.*]] = icmp ult i64 [[LD_VALUE]], 5 55; CHECK-NEXT: br i1 [[IFCOND]], label [[IF_THEN:%.*]], label [[FOR_LOOP]] 56; CHECK: if.then: 57; CHECK-NEXT: [[FOO_RET:%.*]] = call i64 @foo(i64 [[LD_VALUE]]) #[[ATTR0]] 58; CHECK-NEXT: br label [[FOR_LOOP]] 59; CHECK: for.loop: 60; CHECK-NEXT: [[ST_VALUE:%.*]] = phi i64 [ [[LD_VALUE]], [[FOR_BODY]] ], [ [[FOO_RET]], [[IF_THEN]] ] 61; CHECK-NEXT: [[ST_ADDR:%.*]] = getelementptr inbounds i64, ptr [[DEST]], i64 [[IV]] 62; CHECK-NEXT: store i64 [[ST_VALUE]], ptr [[ST_ADDR]], align 8 63; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 64; CHECK-NEXT: [[LOOPCOND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]] 65; CHECK-NEXT: br i1 [[LOOPCOND]], label [[END]], label [[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]] 66; CHECK: end: 67; CHECK-NEXT: ret void 68; 69entry: 70 br label %for.body 71 72for.body: 73 %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.loop ] 74 %ld.addr = getelementptr inbounds i64, ptr %src, i64 %iv 75 %ld.value = load i64, ptr %ld.addr, align 8 76 %ifcond = icmp ult i64 %ld.value, 5 77 br i1 %ifcond, label %if.then, label %for.loop 78 79if.then: 80 %foo.ret = call i64 @foo(i64 %ld.value) #0 81 br label %for.loop 82 83for.loop: 84 %st.value = phi i64 [ %ld.value, %for.body ], [ %foo.ret, %if.then ] 85 %st.addr = getelementptr inbounds i64, ptr %dest, i64 %iv 86 store i64 %st.value, ptr %st.addr, align 8 87 %iv.next = add nsw nuw i64 %iv, 1 88 %loopcond = icmp eq i64 %iv.next, %N 89 br i1 %loopcond, label %end, label %for.body 90 91end: 92 ret void 93} 94 95declare i64 @foo(i64) #0 96declare <4 x i64> @vector_foo(<4 x i64>, <4 x i1>) 97 98; We need a vector variant in order to allow for vectorization at present, but 99; we want to test scalarization of conditional calls. If we provide a variant 100; with a different number of lanes than the VF we force via 101; "-force-vector-width=2", then it should pass the legality checks but 102; scalarize. TODO: Remove the requirement to have a variant. 103attributes #0 = { readonly nounwind "vector-function-abi-variant"="_ZGV_LLVM_M4v_foo(vector_foo)" } 104