; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -mtriple=thumbv7-unknown-linux-android -arm-parallel-dsp -S %s -o - | FileCheck %s define void @undef_no_return(i16* %a) { ; CHECK-LABEL: @undef_no_return( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[INCDEC_PTR21:%.*]] = getelementptr inbounds i16, i16* [[A:%.*]], i32 3 ; CHECK-NEXT: [[INCDEC_PTR29:%.*]] = getelementptr inbounds i16, i16* [[A]], i32 4 ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[TMP0:%.*]] = load i16, i16* [[INCDEC_PTR21]], align 2 ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i16* [[INCDEC_PTR21]] to i32* ; CHECK-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP1]], align 2 ; CHECK-NEXT: [[TMP3:%.*]] = trunc i32 [[TMP2]] to i16 ; CHECK-NEXT: [[TMP4:%.*]] = sext i16 [[TMP3]] to i32 ; CHECK-NEXT: [[TMP5:%.*]] = lshr i32 [[TMP2]], 16 ; CHECK-NEXT: [[TMP6:%.*]] = trunc i32 [[TMP5]] to i16 ; CHECK-NEXT: [[TMP7:%.*]] = sext i16 [[TMP6]] to i32 ; CHECK-NEXT: [[CONV25:%.*]] = sext i16 [[TMP0]] to i32 ; CHECK-NEXT: [[UGLYGEP15:%.*]] = getelementptr i8, i8* undef, i32 undef ; CHECK-NEXT: [[UGLYGEP1516:%.*]] = bitcast i8* [[UGLYGEP15]] to i16* ; CHECK-NEXT: [[SCEVGEP17:%.*]] = getelementptr i16, i16* [[UGLYGEP1516]], i32 7 ; CHECK-NEXT: [[TMP8:%.*]] = load i16, i16* [[SCEVGEP17]], align 2 ; CHECK-NEXT: [[UGLYGEP12:%.*]] = getelementptr i8, i8* undef, i32 undef ; CHECK-NEXT: [[UGLYGEP1213:%.*]] = bitcast i8* [[UGLYGEP12]] to i16* ; CHECK-NEXT: [[SCEVGEP14:%.*]] = getelementptr i16, i16* [[UGLYGEP1213]], i32 6 ; CHECK-NEXT: [[TMP9:%.*]] = bitcast i16* [[SCEVGEP14]] to i32* ; CHECK-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP9]], align 2 ; CHECK-NEXT: [[TMP11:%.*]] = trunc i32 [[TMP10]] to i16 ; CHECK-NEXT: [[TMP12:%.*]] = call i32 @llvm.arm.smladx(i32 [[TMP10]], i32 [[TMP2]], i32 undef) ; CHECK-NEXT: [[TMP13:%.*]] = sext i16 [[TMP11]] to i32 ; CHECK-NEXT: [[TMP14:%.*]] = lshr i32 [[TMP10]], 16 ; CHECK-NEXT: [[TMP15:%.*]] = trunc i32 [[TMP14]] to i16 ; CHECK-NEXT: [[TMP16:%.*]] = sext i16 [[TMP15]] to i32 ; CHECK-NEXT: [[CONV31:%.*]] = sext i16 [[TMP8]] to i32 ; CHECK-NEXT: [[TMP17:%.*]] = load i16, i16* [[INCDEC_PTR29]], align 2 ; CHECK-NEXT: [[CONV33:%.*]] = sext i16 [[TMP17]] to i32 ; CHECK-NEXT: [[TMP18:%.*]] = load i16, i16* [[SCEVGEP14]], align 2 ; CHECK-NEXT: [[CONV39:%.*]] = sext i16 [[TMP18]] to i32 ; CHECK-NEXT: [[MUL_I287_NEG_NEG:%.*]] = mul nsw i32 [[TMP16]], [[TMP4]] ; CHECK-NEXT: [[MUL_I283_NEG_NEG:%.*]] = mul nsw i32 [[TMP13]], [[TMP7]] ; CHECK-NEXT: [[REASS_ADD408:%.*]] = add i32 undef, [[MUL_I287_NEG_NEG]] ; CHECK-NEXT: [[REASS_ADD409:%.*]] = add i32 [[REASS_ADD408]], [[MUL_I283_NEG_NEG]] ; CHECK-NEXT: br label [[FOR_BODY]] ; entry: %incdec.ptr21 = getelementptr inbounds i16, i16* %a, i32 3 %incdec.ptr29 = getelementptr inbounds i16, i16* %a, i32 4 br label %for.body for.body: %0 = load i16, i16* %incdec.ptr21, align 2 %conv25 = sext i16 %0 to i32 %uglygep15 = getelementptr i8, i8* undef, i32 undef %uglygep1516 = bitcast i8* %uglygep15 to i16* %scevgep17 = getelementptr i16, i16* %uglygep1516, i32 7 %1 = load i16, i16* %scevgep17, align 2 %conv31 = sext i16 %1 to i32 %2 = load i16, i16* %incdec.ptr29, align 2 %conv33 = sext i16 %2 to i32 %uglygep12 = getelementptr i8, i8* undef, i32 undef %uglygep1213 = bitcast i8* %uglygep12 to i16* %scevgep14 = getelementptr i16, i16* %uglygep1213, i32 6 %3 = load i16, i16* %scevgep14, align 2 %conv39 = sext i16 %3 to i32 %mul.i287.neg.neg = mul nsw i32 %conv31, %conv25 %mul.i283.neg.neg = mul nsw i32 %conv39, %conv33 %reass.add408 = add i32 undef, %mul.i287.neg.neg %reass.add409 = add i32 %reass.add408, %mul.i283.neg.neg br label %for.body } define i32 @return(i16* %a, i8* %b, i32 %N) { ; CHECK-LABEL: @return( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[INCDEC_PTR21:%.*]] = getelementptr inbounds i16, i16* [[A:%.*]], i32 3 ; CHECK-NEXT: [[INCDEC_PTR29:%.*]] = getelementptr inbounds i16, i16* [[A]], i32 4 ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[IV:%.*]] = phi i32 [ [[N:%.*]], [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ] ; CHECK-NEXT: [[ACC:%.*]] = phi i32 [ 0, [[ENTRY]] ], [ [[TMP12:%.*]], [[FOR_BODY]] ] ; CHECK-NEXT: [[TMP0:%.*]] = load i16, i16* [[INCDEC_PTR21]], align 2 ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i16* [[INCDEC_PTR21]] to i32* ; CHECK-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP1]], align 2 ; CHECK-NEXT: [[TMP3:%.*]] = trunc i32 [[TMP2]] to i16 ; CHECK-NEXT: [[TMP4:%.*]] = sext i16 [[TMP3]] to i32 ; CHECK-NEXT: [[TMP5:%.*]] = lshr i32 [[TMP2]], 16 ; CHECK-NEXT: [[TMP6:%.*]] = trunc i32 [[TMP5]] to i16 ; CHECK-NEXT: [[TMP7:%.*]] = sext i16 [[TMP6]] to i32 ; CHECK-NEXT: [[CONV25:%.*]] = sext i16 [[TMP0]] to i32 ; CHECK-NEXT: [[UGLYGEP15:%.*]] = getelementptr i8, i8* [[B:%.*]], i32 0 ; CHECK-NEXT: [[UGLYGEP1516:%.*]] = bitcast i8* [[UGLYGEP15]] to i16* ; CHECK-NEXT: [[B_IDX:%.*]] = add nuw nsw i32 [[IV]], 1 ; CHECK-NEXT: [[SCEVGEP17:%.*]] = getelementptr i16, i16* [[UGLYGEP1516]], i32 [[B_IDX]] ; CHECK-NEXT: [[SCEVGEP14:%.*]] = getelementptr i16, i16* [[UGLYGEP1516]], i32 [[IV]] ; CHECK-NEXT: [[TMP8:%.*]] = load i16, i16* [[SCEVGEP17]], align 2 ; CHECK-NEXT: [[TMP9:%.*]] = bitcast i16* [[SCEVGEP14]] to i32* ; CHECK-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP9]], align 2 ; CHECK-NEXT: [[TMP11:%.*]] = trunc i32 [[TMP10]] to i16 ; CHECK-NEXT: [[TMP12]] = call i32 @llvm.arm.smladx(i32 [[TMP10]], i32 [[TMP2]], i32 [[ACC]]) ; CHECK-NEXT: [[TMP13:%.*]] = sext i16 [[TMP11]] to i32 ; CHECK-NEXT: [[TMP14:%.*]] = lshr i32 [[TMP10]], 16 ; CHECK-NEXT: [[TMP15:%.*]] = trunc i32 [[TMP14]] to i16 ; CHECK-NEXT: [[TMP16:%.*]] = sext i16 [[TMP15]] to i32 ; CHECK-NEXT: [[CONV31:%.*]] = sext i16 [[TMP8]] to i32 ; CHECK-NEXT: [[TMP17:%.*]] = load i16, i16* [[INCDEC_PTR29]], align 2 ; CHECK-NEXT: [[CONV33:%.*]] = sext i16 [[TMP17]] to i32 ; CHECK-NEXT: [[TMP18:%.*]] = load i16, i16* [[SCEVGEP14]], align 2 ; CHECK-NEXT: [[CONV39:%.*]] = sext i16 [[TMP18]] to i32 ; CHECK-NEXT: [[MUL_I287_NEG_NEG:%.*]] = mul nsw i32 [[TMP16]], [[TMP4]] ; CHECK-NEXT: [[MUL_I283_NEG_NEG:%.*]] = mul nsw i32 [[TMP13]], [[TMP7]] ; CHECK-NEXT: [[REASS_ADD408:%.*]] = add i32 [[ACC]], [[MUL_I287_NEG_NEG]] ; CHECK-NEXT: [[REASS_ADD409:%.*]] = add i32 [[REASS_ADD408]], [[MUL_I283_NEG_NEG]] ; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i32 [[IV]], -1 ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[IV_NEXT]], 0 ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[EXIT:%.*]] ; CHECK: exit: ; CHECK-NEXT: ret i32 [[TMP12]] ; entry: %incdec.ptr21 = getelementptr inbounds i16, i16* %a, i32 3 %incdec.ptr29 = getelementptr inbounds i16, i16* %a, i32 4 br label %for.body for.body: %iv = phi i32 [ %N, %entry ], [ %iv.next, %for.body ] %acc = phi i32 [ 0, %entry ], [ %reass.add409, %for.body ] %0 = load i16, i16* %incdec.ptr21, align 2 %conv25 = sext i16 %0 to i32 %uglygep15 = getelementptr i8, i8* %b, i32 0 %uglygep1516 = bitcast i8* %uglygep15 to i16* %b.idx = add nuw nsw i32 %iv, 1 %scevgep17 = getelementptr i16, i16* %uglygep1516, i32 %b.idx %scevgep14 = getelementptr i16, i16* %uglygep1516, i32 %iv %1 = load i16, i16* %scevgep17, align 2 %conv31 = sext i16 %1 to i32 %2 = load i16, i16* %incdec.ptr29, align 2 %conv33 = sext i16 %2 to i32 %3 = load i16, i16* %scevgep14, align 2 %conv39 = sext i16 %3 to i32 %mul.i287.neg.neg = mul nsw i32 %conv31, %conv25 %mul.i283.neg.neg = mul nsw i32 %conv39, %conv33 %reass.add408 = add i32 %acc, %mul.i287.neg.neg %reass.add409 = add i32 %reass.add408, %mul.i283.neg.neg %iv.next = add nuw nsw i32 %iv, -1 %cmp = icmp ne i32 %iv.next, 0 br i1 %cmp, label %for.body, label %exit exit: ret i32 %reass.add409 }