|  | ; RUN: llc -mtriple=hexagon-unknown-elf < %s | FileCheck %s | 
|  |  | 
|  | ; CHECK-LABEL: ldf | 
|  | ; CHECK: memw(r{{[0-9]+}}++#4) | 
|  | ; CHECK: memw(r{{[0-9]+}}++#4) | 
|  | define float @ldf(ptr nocapture readonly %x, ptr nocapture readonly %y) local_unnamed_addr #0 { | 
|  | entry: | 
|  | br label %for.body | 
|  |  | 
|  | for.body: | 
|  | %arrayidx.phi = phi ptr [ %x, %entry ], [ %arrayidx.inc, %for.body ] | 
|  | %arrayidx1.phi = phi ptr [ %y, %entry ], [ %arrayidx1.inc, %for.body ] | 
|  | %i.09 = phi i32 [ 0, %entry ], [ %inc, %for.body ] | 
|  | %acc.08 = phi float [ 0.000000e+00, %entry ], [ %add, %for.body ] | 
|  | %0 = load float, ptr %arrayidx.phi, align 4 | 
|  | %1 = load float, ptr %arrayidx1.phi, align 4 | 
|  | %mul = fmul contract float %0, %1 | 
|  | %add = fadd contract float %acc.08, %mul | 
|  | %inc = add nuw nsw i32 %i.09, 1 | 
|  | %exitcond = icmp eq i32 %inc, 1024 | 
|  | %arrayidx.inc = getelementptr float, ptr %arrayidx.phi, i32 1 | 
|  | %arrayidx1.inc = getelementptr float, ptr %arrayidx1.phi, i32 1 | 
|  | br i1 %exitcond, label %for.end, label %for.body | 
|  |  | 
|  | for.end: | 
|  | ret float %add | 
|  | } | 
|  |  | 
|  | ; CHECK-LABEL: ldd | 
|  | ; CHECK: memd(r{{[0-9]+}}++#8) | 
|  | ; CHECK: memd(r{{[0-9]+}}++#8) | 
|  | define double @ldd(ptr nocapture readonly %x, ptr nocapture readonly %y) local_unnamed_addr #0 { | 
|  | entry: | 
|  | br label %for.body | 
|  |  | 
|  | for.body: | 
|  | %arrayidx.phi = phi ptr [ %x, %entry ], [ %arrayidx.inc, %for.body ] | 
|  | %arrayidx1.phi = phi ptr [ %y, %entry ], [ %arrayidx1.inc, %for.body ] | 
|  | %i.09 = phi i32 [ 0, %entry ], [ %inc, %for.body ] | 
|  | %acc.08 = phi double [ 0.000000e+00, %entry ], [ %add, %for.body ] | 
|  | %0 = load double, ptr %arrayidx.phi, align 8 | 
|  | %1 = load double, ptr %arrayidx1.phi, align 8 | 
|  | %mul = fmul contract double %0, %1 | 
|  | %add = fadd contract double %acc.08, %mul | 
|  | %inc = add nuw nsw i32 %i.09, 1 | 
|  | %exitcond = icmp eq i32 %inc, 1024 | 
|  | %arrayidx.inc = getelementptr double, ptr %arrayidx.phi, i32 1 | 
|  | %arrayidx1.inc = getelementptr double, ptr %arrayidx1.phi, i32 1 | 
|  | br i1 %exitcond, label %for.end, label %for.body | 
|  |  | 
|  | for.end: | 
|  | ret double %add | 
|  | } | 
|  |  | 
|  | ; CHECK-LABEL: stf | 
|  | ; CHECK: memw(r{{[0-9]+}}++#4) | 
|  | define ptr @stf(ptr returned %p) local_unnamed_addr #0 { | 
|  | entry: | 
|  | br label %for.body | 
|  |  | 
|  | for.body: | 
|  | %arrayidx.phi = phi ptr [ %arrayidx.inc, %for.body ], [ %p, %entry ] | 
|  | %call = tail call float @foof() #2 | 
|  | store float %call, ptr %arrayidx.phi, align 8 | 
|  | %arrayidx.inc = getelementptr float, ptr %arrayidx.phi, i32 1 | 
|  | br label %for.body | 
|  | } | 
|  |  | 
|  | declare float @foof() local_unnamed_addr #1 | 
|  |  | 
|  | ; CHECK-LABEL: std | 
|  | ; CHECK: memd(r{{[0-9]+}}++#8) | 
|  | define ptr @std(ptr returned %p) local_unnamed_addr #0 { | 
|  | entry: | 
|  | br label %for.body | 
|  |  | 
|  | for.body: | 
|  | %arrayidx.phi = phi ptr [ %arrayidx.inc, %for.body ], [ %p, %entry ] | 
|  | %call = tail call double @food() #2 | 
|  | store double %call, ptr %arrayidx.phi, align 8 | 
|  | %arrayidx.inc = getelementptr double, ptr %arrayidx.phi, i32 1 | 
|  | br label %for.body | 
|  | } | 
|  |  | 
|  | declare double @food() local_unnamed_addr #1 | 
|  |  |