; RUN: llc < %s -march=x86 -mattr=+sse2 | FileCheck %s -check-prefix=X32 ; RUN: llc < %s -march=x86-64 | FileCheck %s -check-prefix=X64 ; Though it is undefined, we want xor undef,undef to produce zero. define <4 x i32> @test1() nounwind { %tmp = xor <4 x i32> undef, undef ret <4 x i32> %tmp ; X32: test1: ; X32: xorps %xmm0, %xmm0 ; X32: ret } ; Though it is undefined, we want xor undef,undef to produce zero. define i32 @test2() nounwind{ %tmp = xor i32 undef, undef ret i32 %tmp ; X32: test2: ; X32: xorl %eax, %eax ; X32: ret } define i32 @test3(i32 %a, i32 %b) nounwind { entry: %tmp1not = xor i32 %b, -2 %tmp3 = and i32 %tmp1not, %a %tmp4 = lshr i32 %tmp3, 1 ret i32 %tmp4 ; X64: test3: ; X64: notl %esi ; X64: andl %edi, %esi ; X64: movl %esi, %eax ; X64: shrl %eax ; X64: ret ; X32: test3: ; X32: movl 8(%esp), %eax ; X32: notl %eax ; X32: andl 4(%esp), %eax ; X32: shrl %eax ; X32: ret } define i32 @test4(i32 %a, i32 %b) nounwind { entry: br label %bb bb: %b_addr.0 = phi i32 [ %b, %entry ], [ %tmp8, %bb ] %a_addr.0 = phi i32 [ %a, %entry ], [ %tmp3, %bb ] %tmp3 = xor i32 %a_addr.0, %b_addr.0 %tmp4not = xor i32 %tmp3, 2147483647 %tmp6 = and i32 %tmp4not, %b_addr.0 %tmp8 = shl i32 %tmp6, 1 %tmp10 = icmp eq i32 %tmp8, 0 br i1 %tmp10, label %bb12, label %bb bb12: ret i32 %tmp3 ; X64: test4: ; X64: notl %eax ; X64: andl {{.*}}%eax ; X32: test4: ; X32: notl %edx ; X32: andl {{.*}}%edx } define i16 @test5(i16 %a, i16 %b) nounwind { entry: br label %bb bb: %b_addr.0 = phi i16 [ %b, %entry ], [ %tmp8, %bb ] %a_addr.0 = phi i16 [ %a, %entry ], [ %tmp3, %bb ] %tmp3 = xor i16 %a_addr.0, %b_addr.0 %tmp4not = xor i16 %tmp3, 32767 %tmp6 = and i16 %tmp4not, %b_addr.0 %tmp8 = shl i16 %tmp6, 1 %tmp10 = icmp eq i16 %tmp8, 0 br i1 %tmp10, label %bb12, label %bb bb12: ret i16 %tmp3 ; X64: test5: ; X64: notw %ax ; X64: andw {{.*}}%ax ; X32: test5: ; X32: notw %dx ; X32: andw {{.*}}%dx } define i8 @test6(i8 %a, i8 %b) nounwind { entry: br label %bb bb: %b_addr.0 = phi i8 [ %b, %entry ], [ %tmp8, %bb ] %a_addr.0 = phi i8 [ %a, %entry ], [ %tmp3, %bb ] %tmp3 = xor i8 %a_addr.0, %b_addr.0 %tmp4not = xor i8 %tmp3, 127 %tmp6 = and i8 %tmp4not, %b_addr.0 %tmp8 = shl i8 %tmp6, 1 %tmp10 = icmp eq i8 %tmp8, 0 br i1 %tmp10, label %bb12, label %bb bb12: ret i8 %tmp3 ; X64: test6: ; X64: notb %al ; X64: andb {{.*}}%al ; X32: test6: ; X32: notb %dl ; X32: andb {{.*}}%dl } define i32 @test7(i32 %a, i32 %b) nounwind { entry: br label %bb bb: %b_addr.0 = phi i32 [ %b, %entry ], [ %tmp8, %bb ] %a_addr.0 = phi i32 [ %a, %entry ], [ %tmp3, %bb ] %tmp3 = xor i32 %a_addr.0, %b_addr.0 %tmp4not = xor i32 %tmp3, 2147483646 %tmp6 = and i32 %tmp4not, %b_addr.0 %tmp8 = shl i32 %tmp6, 1 %tmp10 = icmp eq i32 %tmp8, 0 br i1 %tmp10, label %bb12, label %bb bb12: ret i32 %tmp3 ; X64: test7: ; X64: xorl $2147483646, %eax ; X64: andl {{.*}}%eax ; X32: test7: ; X32: xorl $2147483646, %edx ; X32: andl {{.*}}%edx }