aboutsummaryrefslogtreecommitdiffstats
path: root/test/CodeGen
diff options
context:
space:
mode:
Diffstat (limited to 'test/CodeGen')
-rw-r--r--test/CodeGen/X86/xor-undef.ll11
-rw-r--r--test/CodeGen/X86/xor.ll (renamed from test/CodeGen/X86/xor_not.ll)73
2 files changed, 66 insertions, 18 deletions
diff --git a/test/CodeGen/X86/xor-undef.ll b/test/CodeGen/X86/xor-undef.ll
deleted file mode 100644
index d279fbb..0000000
--- a/test/CodeGen/X86/xor-undef.ll
+++ /dev/null
@@ -1,11 +0,0 @@
-; RUN: llc < %s -march=x86 -mattr=+sse2 | grep xor | count 2
-
-define <4 x i32> @t1() {
- %tmp = xor <4 x i32> undef, undef
- ret <4 x i32> %tmp
-}
-
-define i32 @t2() {
- %tmp = xor i32 undef, undef
- ret i32 %tmp
-}
diff --git a/test/CodeGen/X86/xor_not.ll b/test/CodeGen/X86/xor.ll
index 34fd0f0..86ecbe5 100644
--- a/test/CodeGen/X86/xor_not.ll
+++ b/test/CodeGen/X86/xor.ll
@@ -1,14 +1,48 @@
-; RUN: llc < %s -march=x86 | grep {not\[lwb\]} | count 4
-; RUN: llc < %s -march=x86-64 | grep {not\[lwb\]} | count 4
-define i32 @test(i32 %a, i32 %b) nounwind {
+; 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 @sum32(i32 %a, i32 %b) nounwind {
+define i32 @test4(i32 %a, i32 %b) nounwind {
entry:
br label %bb
bb:
@@ -22,9 +56,16 @@ bb:
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 @sum16(i16 %a, i16 %b) nounwind {
+define i16 @test5(i16 %a, i16 %b) nounwind {
entry:
br label %bb
bb:
@@ -38,9 +79,15 @@ bb:
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 @sum8(i8 %a, i8 %b) nounwind {
+define i8 @test6(i8 %a, i8 %b) nounwind {
entry:
br label %bb
bb:
@@ -54,9 +101,15 @@ bb:
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 @test2(i32 %a, i32 %b) nounwind {
+define i32 @test7(i32 %a, i32 %b) nounwind {
entry:
br label %bb
bb:
@@ -70,5 +123,11 @@ bb:
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}}
}