1 ; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s
3 ; Muls with operands that are constants: not yet supported, so the rewrite
4 ; should not trigger (but we do want to add this soon).
6 ; CHECK-NOT: call i32 @llvm.arm.smlad
8 define dso_local i32 @test(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
10 %cmp24 = icmp sgt i32 %arg, 0
11 br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
14 %.pre = load i16, i16* %arg3, align 2
15 %.pre27 = load i16, i16* %arg2, align 2
19 %mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ]
23 %mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ]
24 %i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
25 %add = add nuw nsw i32 %i.025, 1
26 %arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025
27 %v2 = load i16, i16* %arrayidx3, align 2
28 %conv = sext i16 %v2 to i32
30 ; RHS operand of this mul is a constant
31 %mul = mul nsw i32 %conv, 43
33 %arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add
34 %v3 = load i16, i16* %arrayidx6, align 2
35 %conv7 = sext i16 %v3 to i32
37 ; And this RHS operand is a constant too.
38 %mul9 = mul nsw i32 %conv7, 42
40 %add10 = add i32 %mul, %mac1.026
41 %add11 = add i32 %mul9, %add10
42 %exitcond = icmp ne i32 %add, %arg
43 br i1 %exitcond, label %for.body, label %for.cond.cleanup