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1; RUN: llc < %s | FileCheck %s2 3target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"4target triple = "x86_64-apple-darwin8"5 6; This should be a single mov, not a load of immediate + andq.7; CHECK-LABEL: test:8; CHECK: movl %edi, %eax9 10define i64 @test(i64 %x) nounwind {11entry:12 %tmp123 = and i64 %x, 4294967295 ; <i64> [#uses=1]13 ret i64 %tmp12314}15 16; This copy can't be coalesced away because it needs the implicit zero-extend.17; CHECK-LABEL: bbb:18; CHECK: movl %edi, %edi19 20define void @bbb(i64 %x) nounwind {21 %t = and i64 %x, 429496729522 call void @foo(i64 %t)23 ret void24}25 26; This should use a 32-bit and with implicit zero-extension, not a 64-bit and27; with a separate mov to materialize the mask.28; rdar://752739029; CHECK-LABEL: ccc:30; CHECK: andl $-1048593, %edi31 32declare void @foo(i64 %x) nounwind33 34define void @ccc(i64 %x) nounwind {35 %t = and i64 %x, 429391870336 call void @foo(i64 %t)37 ret void38}39 40; This requires a mov and a 64-bit and.41; CHECK-LABEL: ddd:42; CHECK: movabsq $4294967296, %r43; CHECK: andq %r{{..}}, %r{{..}}44 45define void @ddd(i64 %x) nounwind {46 %t = and i64 %x, 429496729647 call void @foo(i64 %t)48 ret void49}50