; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s ; ; The loads are not narrow loads: check that the rewrite isn't triggered. ; ; CHECK-NOT: call i32 @llvm.arm.smlad ; ; Arg2 is now an i32, while Arg3 is still and i16: ; define dso_local i32 @test(i32 %arg, i32* nocapture readnone %arg1, i32* nocapture readonly %arg2, i16* nocapture readonly %arg3) { entry: %cmp22 = icmp sgt i32 %arg, 0 br i1 %cmp22, label %for.body.preheader, label %for.cond.cleanup for.body.preheader: %.pre = load i16, i16* %arg3, align 2 br label %for.body for.cond.cleanup: %mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add9, %for.body ] ret i32 %mac1.0.lcssa for.body: %0 = phi i16 [ %1, %for.body ], [ %.pre, %for.body.preheader ] %mac1.024 = phi i32 [ %add9, %for.body ], [ 0, %for.body.preheader ] %i.023 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ] %add = add nuw nsw i32 %i.023, 1 %arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add %1 = load i16, i16* %arrayidx1, align 2 %conv = sext i16 %0 to i32 ; This is a 'normal' i32 load to %2: %arrayidx3 = getelementptr inbounds i32, i32* %arg2, i32 %i.023 %2 = load i32, i32* %arrayidx3, align 4 ; This mul has now 1 operand which is a narrow load, and the other a normal ; i32 load: %mul = mul nsw i32 %2, %conv %add4 = add nuw nsw i32 %i.023, 2 %arrayidx5 = getelementptr inbounds i32, i32* %arg2, i32 %add4 %3 = load i32, i32* %arrayidx5, align 4 %conv6 = sext i16 %1 to i32 %mul7 = mul nsw i32 %3, %conv6 %add8 = add i32 %mul, %mac1.024 %add9 = add i32 %add8, %mul7 %exitcond = icmp eq i32 %add, %arg br i1 %exitcond, label %for.cond.cleanup, label %for.body }