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Diffstat (limited to 'test/CodeGen/X86/xor.ll')
| -rw-r--r-- | test/CodeGen/X86/xor.ll | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/test/CodeGen/X86/xor.ll b/test/CodeGen/X86/xor.ll new file mode 100644 index 0000000..86ecbe5 --- /dev/null +++ b/test/CodeGen/X86/xor.ll @@ -0,0 +1,133 @@ +; 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}} +} + |