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      1 ; RUN: opt -S -instsimplify < %s | FileCheck %s
      2 
      3 target datalayout = "E-m:e-i64:64-n32:64"
      4 target triple = "powerpc64-unknown-linux-gnu"
      5 
      6 define zeroext i1 @_Z10isNegativemj(i64 %Val, i32 zeroext %IntegerBitWidth) {
      7 entry:
      8   %conv = zext i32 %IntegerBitWidth to i64
      9   %sub = sub i64 128, %conv
     10   %conv1 = trunc i64 %sub to i32
     11   %conv2 = zext i64 %Val to i128
     12   %sh_prom = zext i32 %conv1 to i128
     13   %shl = shl i128 %conv2, %sh_prom
     14   %shr = ashr i128 %shl, %sh_prom
     15   %cmp = icmp slt i128 %shr, 0
     16   ret i1 %cmp
     17 }
     18 
     19 ; CHECK-LABEL: @_Z10isNegativemj
     20 ; CHECK-NOT: ret i1 false
     21 ; CHECK: ret i1 %cmp
     22 
     23