1 ; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s
3 ; The loads are not narrow loads: check that the rewrite isn't triggered.
5 ; CHECK-NOT: call i32 @llvm.arm.smlad
7 ; Arg2 is now an i32, while Arg3 is still and i16:
9 define dso_local i32 @test(i32 %arg, i32* nocapture readnone %arg1, i32* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
11 %cmp22 = icmp sgt i32 %arg, 0
12 br i1 %cmp22, label %for.body.preheader, label %for.cond.cleanup
15 %.pre = load i16, i16* %arg3, align 2
19 %mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add9, %for.body ]
23 %0 = phi i16 [ %1, %for.body ], [ %.pre, %for.body.preheader ]
24 %mac1.024 = phi i32 [ %add9, %for.body ], [ 0, %for.body.preheader ]
25 %i.023 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
26 %add = add nuw nsw i32 %i.023, 1
27 %arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add
28 %1 = load i16, i16* %arrayidx1, align 2
29 %conv = sext i16 %0 to i32
31 ; This is a 'normal' i32 load to %2:
32 %arrayidx3 = getelementptr inbounds i32, i32* %arg2, i32 %i.023
33 %2 = load i32, i32* %arrayidx3, align 4
35 ; This mul has now 1 operand which is a narrow load, and the other a normal
37 %mul = mul nsw i32 %2, %conv
39 %add4 = add nuw nsw i32 %i.023, 2
40 %arrayidx5 = getelementptr inbounds i32, i32* %arg2, i32 %add4
41 %3 = load i32, i32* %arrayidx5, align 4
42 %conv6 = sext i16 %1 to i32
43 %mul7 = mul nsw i32 %3, %conv6
44 %add8 = add i32 %mul, %mac1.024
45 %add9 = add i32 %add8, %mul7
46 %exitcond = icmp eq i32 %add, %arg
47 br i1 %exitcond, label %for.cond.cleanup, label %for.body