|  | ; RUN: llc < %s -mtriple=x86_64-- -O0 | FileCheck %s | 
|  | ; Make sure fast-isel doesn't reset the materialised constant map | 
|  | ; across an intrinsic call. | 
|  |  | 
|  | ; CHECK: movl	$100000 | 
|  | ; CHECK-NOT: movl	$100000 | 
|  | define i1 @test1(i32 %v1, i32 %v2, i32* %X) nounwind { | 
|  | entry: | 
|  | %a = shl i32 100000, %v1 | 
|  | %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %a, i32 %v2) | 
|  | %ext = extractvalue {i32, i1} %t, 0 | 
|  | %sum = shl i32 100000, %ext | 
|  | %obit = extractvalue {i32, i1} %t, 1 | 
|  | br i1 %obit, label %overflow, label %normal | 
|  |  | 
|  | normal: | 
|  | store i32 %sum, i32* %X | 
|  | br label %overflow | 
|  |  | 
|  | overflow: | 
|  | ret i1 false | 
|  | } | 
|  |  | 
|  | declare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32) |