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      1 ; RUN: llc < %s -march=x86 | FileCheck %s
      2 
      3 @temp1 = global i64 -77129852189294865, align 8
      4 
      5 define void @foo() nounwind {
      6   %x = load i64, i64* @temp1, align 8
      7   %s = shl i64 %x, 32
      8   %t = trunc i64 %s to i32
      9   %z = zext i32 %t to i64
     10   store i64 %z, i64* @temp1, align 8
     11 ; CHECK: movl $0, {{_?}}temp1+4                                                
     12 ; CHECK: movl $0, {{_?}}temp1
     13   ret void
     14 }
     15 
     16