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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 52; RUN: opt -passes=loop-vectorize -S %s 2>&1 | FileCheck %s3 4target datalayout = "E-m:a-p:32:32-Fi32-i64:64-n32"5target triple = "powerpc-ibm-aix7.2.0.0"6 7define void @test_iv_trunc_crash(ptr %a, ptr %b, i32 %n) {8; CHECK-LABEL: define void @test_iv_trunc_crash(9; CHECK-SAME: ptr [[A:%.*]], ptr [[B:%.*]], i32 [[N:%.*]]) {10; CHECK-NEXT: [[ENTRY:.*]]:11; CHECK-NEXT: [[SUM_0:%.*]] = fadd reassoc double 0.000000e+00, 0.000000e+0012; CHECK-NEXT: [[X:%.*]] = load double, ptr [[A]], align 813; CHECK-NEXT: [[TMP0:%.*]] = sext i32 [[N]] to i6414; CHECK-NEXT: [[TMP1:%.*]] = add nsw i64 [[TMP0]], 115; CHECK-NEXT: [[SMAX1:%.*]] = call i64 @llvm.smax.i64(i64 [[TMP1]], i64 0)16; CHECK-NEXT: [[TMP2:%.*]] = trunc i64 [[SMAX1]] to i3217; CHECK-NEXT: [[TMP3:%.*]] = add nuw i32 [[TMP2]], 118; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ule i32 [[TMP3]], 819; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_SCEVCHECK:.*]]20; CHECK: [[VECTOR_SCEVCHECK]]:21; CHECK-NEXT: [[TMP4:%.*]] = sext i32 [[N]] to i6422; CHECK-NEXT: [[TMP5:%.*]] = add nsw i64 [[TMP4]], 123; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[TMP5]], i64 0)24; CHECK-NEXT: [[TMP6:%.*]] = trunc i64 [[SMAX]] to i3225; CHECK-NEXT: [[TMP7:%.*]] = icmp slt i32 [[TMP6]], 026; CHECK-NEXT: [[TMP8:%.*]] = icmp ugt i64 [[SMAX]], 429496729527; CHECK-NEXT: [[TMP9:%.*]] = or i1 [[TMP7]], [[TMP8]]28; CHECK-NEXT: br i1 [[TMP9]], label %[[SCALAR_PH]], label %[[VECTOR_PH:.*]]29; CHECK: [[VECTOR_PH]]:30; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP3]], 831; CHECK-NEXT: [[TMP10:%.*]] = icmp eq i32 [[N_MOD_VF]], 032; CHECK-NEXT: [[TMP11:%.*]] = select i1 [[TMP10]], i32 8, i32 [[N_MOD_VF]]33; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP3]], [[TMP11]]34; CHECK-NEXT: [[DOTCAST:%.*]] = sitofp i32 [[N_VEC]] to double35; CHECK-NEXT: [[TMP12:%.*]] = fmul reassoc double [[X]], [[DOTCAST]]36; CHECK-NEXT: [[TMP13:%.*]] = fadd reassoc double [[SUM_0]], [[TMP12]]37; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]38; CHECK: [[VECTOR_BODY]]:39; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]40; CHECK-NEXT: [[DOTCAST2:%.*]] = sitofp i32 [[INDEX]] to double41; CHECK-NEXT: [[TMP14:%.*]] = fmul reassoc double [[X]], [[DOTCAST2]]42; CHECK-NEXT: [[OFFSET_IDX:%.*]] = fadd reassoc double [[SUM_0]], [[TMP14]]43; CHECK-NEXT: [[TMP15:%.*]] = fmul reassoc double 7.000000e+00, [[X]]44; CHECK-NEXT: [[TMP16:%.*]] = fadd reassoc double [[OFFSET_IDX]], [[TMP15]]45; CHECK-NEXT: store double [[TMP16]], ptr [[B]], align 846; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 847; CHECK-NEXT: [[TMP17:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]48; CHECK-NEXT: br i1 [[TMP17]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]49; CHECK: [[MIDDLE_BLOCK]]:50; CHECK-NEXT: br label %[[SCALAR_PH]]51; CHECK: [[SCALAR_PH]]:52; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi double [ [[TMP13]], %[[MIDDLE_BLOCK]] ], [ [[SUM_0]], %[[ENTRY]] ], [ [[SUM_0]], %[[VECTOR_SCEVCHECK]] ]53; CHECK-NEXT: [[BC_RESUME_VAL3:%.*]] = phi i32 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_SCEVCHECK]] ]54; CHECK-NEXT: br label %[[LOOP_HEADER:.*]]55; CHECK: [[LOOP_HEADER]]:56; CHECK-NEXT: [[SUM_1:%.*]] = phi double [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[SUM_NEXT:%.*]], %[[LOOP_BODY:.*]] ]57; CHECK-NEXT: [[I:%.*]] = phi i32 [ [[BC_RESUME_VAL3]], %[[SCALAR_PH]] ], [ [[I_NEXT:%.*]], %[[LOOP_BODY]] ]58; CHECK-NEXT: [[COND:%.*]] = icmp sgt i32 [[I]], [[N]]59; CHECK-NEXT: br i1 [[COND]], label %[[EXIT:.*]], label %[[LOOP_BODY]]60; CHECK: [[LOOP_BODY]]:61; CHECK-NEXT: store double [[SUM_1]], ptr [[B]], align 862; CHECK-NEXT: [[SUM_NEXT]] = fadd reassoc double [[SUM_1]], [[X]]63; CHECK-NEXT: [[I_NEXT]] = add i32 [[I]], 164; CHECK-NEXT: br label %[[LOOP_HEADER]], !llvm.loop [[LOOP3:![0-9]+]]65; CHECK: [[EXIT]]:66; CHECK-NEXT: ret void67;68entry:69 %sum.0 = fadd reassoc double 0.0, 0.070 %x = load double, ptr %a, align 871 br label %loop_header72 73loop_header: ; preds = %loop_body, %entry74 %sum.1 = phi double [ %sum.0, %entry ], [ %sum.next, %loop_body ]75 %i = phi i32 [ 0, %entry ], [ %i.next, %loop_body ]76 %cond = icmp sgt i32 %i, %n77 br i1 %cond, label %exit, label %loop_body78 79loop_body: ; preds = %loop_header80 store double %sum.1, ptr %b, align 881 %sum.next = fadd reassoc double %sum.1, %x82 %i.next = add i32 %i, 183 br label %loop_header84 85exit:86 ret void87}88;.89; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]}90; CHECK: [[META1]] = !{!"llvm.loop.isvectorized", i32 1}91; CHECK: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"}92; CHECK: [[LOOP3]] = distinct !{[[LOOP3]], [[META1]]}93;.94