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      1 ; RUN: llc < %s -march=x86-64 -O0 | FileCheck %s
      2 ; Make sure fast-isel doesn't reset the materialised constant map
      3 ; across an intrinsic call.
      4 
      5 ; CHECK: movl	$100000
      6 ; CHECK-NOT: movl	$100000
      7 define i1 @test1(i32 %v1, i32 %v2, i32* %X) nounwind {
      8 entry:
      9   %a = shl i32 100000, %v1
     10   %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %a, i32 %v2)
     11   %ext = extractvalue {i32, i1} %t, 0
     12   %sum = shl i32 100000, %ext
     13   %obit = extractvalue {i32, i1} %t, 1
     14   br i1 %obit, label %overflow, label %normal
     15 
     16 normal:
     17   store i32 %sum, i32* %X
     18   br label %overflow
     19 
     20 overflow:
     21   ret i1 false
     22 }
     23 
     24 declare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32)
     25