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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=x86_64-apple-macosx | FileCheck %s3 4; Cmp lowering should not look past the truncate unless the high bits are known5; zero.6; rdar://120278257 8define void @foo(i8 %arg4, i32 %arg5, ptr %arg14) nounwind {9; CHECK-LABEL: foo:10; CHECK: ## %bb.0: ## %bb11; CHECK-NEXT: andl $32, %edi12; CHECK-NEXT: movb $81, %al13; CHECK-NEXT: subb %dil, %al14; CHECK-NEXT: testl %esi, %edi15; CHECK-NEXT: movzbl %al, %eax16; CHECK-NEXT: movl $1, %ecx17; CHECK-NEXT: cmovnel %eax, %ecx18; CHECK-NEXT: xorb $81, %cl19; CHECK-NEXT: movzbl %cl, %eax20; CHECK-NEXT: addl $2062143348, %eax ## imm = 0x7AE9CF7421; CHECK-NEXT: movl %eax, (%rdx)22; CHECK-NEXT: retq23bb:24 %tmp48 = zext i8 %arg4 to i3225 %tmp49 = and i32 %tmp48, 3226 %tmp50 = add i32 %tmp49, 159337164327 %tmp55 = sub i32 %tmp50, 028 %tmp56 = add i32 %tmp55, 778753829 %tmp57 = xor i32 %tmp56, 160115918130 %tmp58 = xor i32 %arg5, 160115918131 %tmp59 = and i32 %tmp57, %tmp5832 %tmp60 = add i32 %tmp59, -126390095833 %tmp67 = sub i32 %tmp60, 034 %tmp103 = xor i32 %tmp56, 1335 %tmp104 = trunc i32 %tmp103 to i836 %tmp105 = sub i8 0, %tmp10437 %tmp106 = add i8 %tmp105, -10338 %tmp113 = sub i8 %tmp106, 039 %tmp114 = add i8 %tmp113, -7240 %tmp141 = icmp ne i32 %tmp67, -126390095841 %tmp142 = select i1 %tmp141, i8 %tmp114, i8 142 %tmp143 = xor i8 %tmp142, 8143 %tmp144 = zext i8 %tmp143 to i3244 %tmp145 = add i32 %tmp144, 206214334845 %tmp152 = sub i32 %tmp145, 046 store i32 %tmp152, ptr %arg1447 ret void48}49