| ; RUN: llc %s -o - -verify-machineinstrs | FileCheck %s | 
 |  | 
 | target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" | 
 | target triple = "x86_64-apple-unknown" | 
 |  | 
 | @TheArray = external global [100000 x double], align 16 | 
 |  | 
 | ; This test ensures, via the machine verifier, that the register class for the | 
 | ; index of the double store is correctly constrained to not include SP. | 
 |  | 
 | ; CHECK: movsd | 
 |  | 
 | define i32 @main(ptr %i, double %tmpv) { | 
 | bb: | 
 |   br label %bb7 | 
 |  | 
 | bb7:                                              ; preds = %bb7, %bb | 
 |   %storemerge = phi i32 [ 0, %bb ], [ %tmp19, %bb7 ] | 
 |   %tmp15 = zext i32 %storemerge to i64 | 
 |   %tmp16 = getelementptr inbounds [100000 x double], ptr @TheArray, i64 0, i64 %tmp15 | 
 |   store double %tmpv, ptr %tmp16, align 8 | 
 |   %tmp18 = load i32, ptr %i, align 4 | 
 |   %tmp19 = add i32 %tmp18, 1 | 
 |   br label %bb7 | 
 | } |