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1; RUN: llc < %s -mtriple=i686-unknown-linux-gnu -mattr=+sse2 | FileCheck %s --check-prefixes=A2; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s --check-prefixes=A3 4declare <2 x i64> @llvm.bswap.v2i64(<2 x i64>)5 6define <2 x i64> @fold_v2i64() {7entry:8 %r = call <2 x i64> @llvm.bswap.v2i64(<2 x i64> <i64 255, i64 -1>)9 ret <2 x i64> %r10}11