Add test for ATOM ISA SSSE3

- Remove SSE4.1 feature in other ATOM-based test cases

llvm-svn: 166699

llvm/test/CodeGen/X86/atom-shuf.ll

@@ -0,0 +1,9 @@
+; RUN: llc < %s -mtriple=x86_64-linux-pc -mcpu=atom | FileCheck %s
+
+define <16 x i8> @foo(<16 x i8> %in) {
+  %r = shufflevector <16 x i8> %in, <16 x i8> undef, <16 x i32> < i32 7, i32 3, i32 2, i32 11, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
+  ret <16 x i8> %r
+; CHECK: foo
+; CHECK: pshufb
+; CHECK-NEXT: ret
+}

llvm/test/CodeGen/X86/vec_shuffle-26.ll

@@ -1,5 +1,5 @@
 ; RUN: llc < %s -march=x86 -mcpu=generic -mattr=sse41 | FileCheck %s
-; RUN: llc < %s -march=x86 -mcpu=atom -mattr=+sse41 | FileCheck -check-prefix=ATOM %s
+; RUN: llc < %s -march=x86 -mcpu=atom | FileCheck -check-prefix=ATOM %s
 
 ; Transpose example using the more generic vector shuffle. Return float8
 ; instead of float16
@@ -47,8 +47,8 @@ entry:
 ; CHECK: extractps ${{[0-9]+}}, %xmm{{[0-9]+}}, {{[0-9]*}}([[BASEREG]])
 ; ATOM: lo_hi_shift
 ; ATOM: movhps ([[BASEREG:%[a-z]+]]),
-; ATOM: extractps ${{[0-9]+}}, %xmm{{[0-9]+}}, {{[0-9]*}}([[BASEREG]])
-; ATOM: extractps ${{[0-9]+}}, %xmm{{[0-9]+}}, {{[0-9]*}}([[BASEREG]])
+; ATOM: movd %xmm{{[0-9]+}}, {{[0-9]*}}([[BASEREG]])
+; ATOM: movd %xmm{{[0-9]+}}, {{[0-9]*}}([[BASEREG]])
   %v.i = bitcast float* %y to <4 x float>*
   %0 = load <4 x float>* %v.i, align 1
   %1 = bitcast float* %x to <1 x i64>*

llvm/test/CodeGen/X86/widen_cast-1.ll

@@ -1,5 +1,5 @@
 ; RUN: llc -march=x86 -mcpu=generic -mattr=+sse42 < %s | FileCheck %s
-; RUN: llc -march=x86 -mcpu=atom -mattr=+sse42 < %s | FileCheck -check-prefix=ATOM %s
+; RUN: llc -march=x86 -mcpu=atom < %s | FileCheck -check-prefix=ATOM %s
 
 ; CHECK: paddd
 ; CHECK: movl