diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/mmx-only.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/mmx-only.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/mmx-only.ll b/llvm/test/CodeGen/X86/mmx-only.ll new file mode 100644 index 00000000000..35598d5f6e1 --- /dev/null +++ b/llvm/test/CodeGen/X86/mmx-only.ll @@ -0,0 +1,21 @@ +; RUN: llc < %s -march=x86 -mattr=+mmx | FileCheck %s +; RUN: llc < %s -march=x86 -mattr=+mmx,-sse | FileCheck %s + +; Test that turning off sse doesn't turn off mmx. + +declare x86_mmx @llvm.x86.mmx.pcmpgt.d(x86_mmx, x86_mmx) nounwind readnone + +define i64 @test88(<1 x i64> %a, <1 x i64> %b) nounwind readnone { +; CHECK-LABEL: @test88 +; CHECK: pcmpgtd +entry: + %0 = bitcast <1 x i64> %b to <2 x i32> + %1 = bitcast <1 x i64> %a to <2 x i32> + %mmx_var.i = bitcast <2 x i32> %1 to x86_mmx + %mmx_var1.i = bitcast <2 x i32> %0 to x86_mmx + %2 = tail call x86_mmx @llvm.x86.mmx.pcmpgt.d(x86_mmx %mmx_var.i, x86_mmx %mmx_var1.i) nounwind + %3 = bitcast x86_mmx %2 to <2 x i32> + %4 = bitcast <2 x i32> %3 to <1 x i64> + %5 = extractelement <1 x i64> %4, i32 0 + ret i64 %5 +} |
