1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -passes=indvars < %s | FileCheck %s 3 4; Provide legal integer types. 5target datalayout = "n8:16:32:64" 6 7 8define void @test1(ptr nocapture %autoc, ptr nocapture %data, float %d, i32 %data_len, i32 %sample) nounwind { 9; CHECK-LABEL: @test1( 10; CHECK-NEXT: entry: 11; CHECK-NEXT: [[SUB:%.*]] = sub i32 [[DATA_LEN:%.*]], [[SAMPLE:%.*]] 12; CHECK-NEXT: [[CMP4:%.*]] = icmp eq i32 [[DATA_LEN]], [[SAMPLE]] 13; CHECK-NEXT: br i1 [[CMP4]], label [[FOR_END:%.*]], label [[FOR_BODY_PREHEADER:%.*]] 14; CHECK: for.body.preheader: 15; CHECK-NEXT: [[WIDE_TRIP_COUNT:%.*]] = zext i32 [[SUB]] to i64 16; CHECK-NEXT: br label [[FOR_BODY:%.*]] 17; CHECK: for.body: 18; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ 0, [[FOR_BODY_PREHEADER]] ] 19; CHECK-NEXT: [[TMP0:%.*]] = trunc i64 [[INDVARS_IV]] to i32 20; CHECK-NEXT: [[ADD:%.*]] = add i32 [[TMP0]], [[SAMPLE]] 21; CHECK-NEXT: [[IDXPROM:%.*]] = zext i32 [[ADD]] to i64 22; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[DATA:%.*]], i64 [[IDXPROM]] 23; CHECK-NEXT: [[TMP1:%.*]] = load float, ptr [[ARRAYIDX]], align 4 24; CHECK-NEXT: [[MUL:%.*]] = fmul float [[TMP1]], [[D:%.*]] 25; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds float, ptr [[AUTOC:%.*]], i64 [[INDVARS_IV]] 26; CHECK-NEXT: [[TMP2:%.*]] = load float, ptr [[ARRAYIDX2]], align 4 27; CHECK-NEXT: [[ADD3:%.*]] = fadd float [[TMP2]], [[MUL]] 28; CHECK-NEXT: store float [[ADD3]], ptr [[ARRAYIDX2]], align 4 29; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 30; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT]], [[WIDE_TRIP_COUNT]] 31; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY]], label [[FOR_END_LOOPEXIT:%.*]] 32; CHECK: for.end.loopexit: 33; CHECK-NEXT: br label [[FOR_END]] 34; CHECK: for.end: 35; CHECK-NEXT: ret void 36; 37entry: 38 %sub = sub i32 %data_len, %sample 39 %cmp4 = icmp eq i32 %data_len, %sample 40 br i1 %cmp4, label %for.end, label %for.body 41 42for.body: ; preds = %entry, %for.body 43 %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ] 44 %0 = trunc i64 %indvars.iv to i32 45 %add = add i32 %0, %sample 46 %idxprom = zext i32 %add to i64 47 %arrayidx = getelementptr inbounds float, ptr %data, i64 %idxprom 48 %1 = load float, ptr %arrayidx, align 4 49 %mul = fmul float %1, %d 50 %arrayidx2 = getelementptr inbounds float, ptr %autoc, i64 %indvars.iv 51 %2 = load float, ptr %arrayidx2, align 4 52 %add3 = fadd float %2, %mul 53 store float %add3, ptr %arrayidx2, align 4 54 %indvars.iv.next = add i64 %indvars.iv, 1 55 %3 = trunc i64 %indvars.iv.next to i32 56 %cmp = icmp ult i32 %3, %sub 57 br i1 %cmp, label %for.body, label %for.end 58 59for.end: ; preds = %for.body, %entry 60 ret void 61 62 63; check that we turn the IV test into an eq. 64} 65 66