|  | ; RUN: llc -march=hexagon -mcpu=hexagonv4 < %s | FileCheck %s | 
|  |  | 
|  | ; Check that post-increment store instructions are being generated. | 
|  | ; CHECK: memw(r{{[0-9]+}}++#4) = r{{[0-9]+}} | 
|  |  | 
|  | define i32 @sum(i32* nocapture %a, i16* nocapture %b, i32 %n) nounwind { | 
|  | entry: | 
|  | br label %for.body | 
|  |  | 
|  | for.body:                                         ; preds = %for.body, %entry | 
|  | %lsr.iv = phi i32 [ %lsr.iv.next, %for.body ], [ 10, %entry ] | 
|  | %arrayidx.phi = phi i32* [ %a, %entry ], [ %arrayidx.inc, %for.body ] | 
|  | %arrayidx1.phi = phi i16* [ %b, %entry ], [ %arrayidx1.inc, %for.body ] | 
|  | %0 = load i32, i32* %arrayidx.phi, align 4 | 
|  | %1 = load i16, i16* %arrayidx1.phi, align 2 | 
|  | %conv = sext i16 %1 to i32 | 
|  | %factor = mul i32 %0, 2 | 
|  | %add3 = add i32 %factor, %conv | 
|  | store i32 %add3, i32* %arrayidx.phi, align 4 | 
|  |  | 
|  | %arrayidx.inc = getelementptr i32, i32* %arrayidx.phi, i32 1 | 
|  | %arrayidx1.inc = getelementptr i16, i16* %arrayidx1.phi, i32 1 | 
|  | %lsr.iv.next = add i32 %lsr.iv, -1 | 
|  | %exitcond = icmp eq i32 %lsr.iv.next, 0 | 
|  | br i1 %exitcond, label %for.end, label %for.body | 
|  |  | 
|  | for.end:                                          ; preds = %for.body | 
|  | ret i32 0 | 
|  | } |