; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s ; ; The loads are not consecutive: check that the rewrite isn't triggered. ; ; CHECK-NOT: call i32 @llvm.arm.smlad ; define dso_local i32 @test(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) { entry: %cmp24 = icmp sgt i32 %arg, 0 br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup for.body.preheader: %.pre = load i16, i16* %arg3, align 2 %.pre27 = load i16, i16* %arg2, align 2 br label %for.body for.cond.cleanup: %mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ] ret i32 %mac1.0.lcssa for.body: %mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ] %i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ] %arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025 %0 = load i16, i16* %arrayidx, align 2 %add = add nuw nsw i32 %i.025, 1 %arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add %1 = load i16, i16* %arrayidx1, align 2 %arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025 %2 = load i16, i16* %arrayidx3, align 2 %conv = sext i16 %2 to i32 %conv4 = sext i16 %0 to i32 %mul = mul nsw i32 %conv, %conv4 ; Here we add another constants offset of 2, to make sure the ; loads to %3 and %2 are not consecutive: %add5 = add nuw nsw i32 %i.025, 2 %arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add5 %3 = load i16, i16* %arrayidx6, align 2 %conv7 = sext i16 %3 to i32 %conv8 = sext i16 %1 to i32 %mul9 = mul nsw i32 %conv7, %conv8 %add10 = add i32 %mul, %mac1.026 %add11 = add i32 %add10, %mul9 %exitcond = icmp ne i32 %add, %arg br i1 %exitcond, label %for.body, label %for.cond.cleanup }