diff options
| -rw-r--r-- | llvm/test/CodeGen/X86/stack-folding-mmx.ll | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/stack-folding-mmx.ll b/llvm/test/CodeGen/X86/stack-folding-mmx.ll index 071e73c2aeb..0214800cf9c 100644 --- a/llvm/test/CodeGen/X86/stack-folding-mmx.ll +++ b/llvm/test/CodeGen/X86/stack-folding-mmx.ll @@ -96,9 +96,71 @@ define x86_mmx @stack_fold_cvttps2pi(<4 x float> %a0) { declare x86_mmx @llvm.x86.sse.cvttps2pi(<4 x float>) nounwind readnone ; TODO stack_fold_movd_load + ; TODO stack_fold_movd_store +; padd forces execution on mmx +define i32 @stack_fold_movd_store(x86_mmx %a0) nounwind { +; CHECK-LABEL: stack_fold_movd_store: +; CHECK: # %bb.0: +; CHECK-NEXT: pushq %rbp +; CHECK-NEXT: pushq %r15 +; CHECK-NEXT: pushq %r14 +; CHECK-NEXT: pushq %r13 +; CHECK-NEXT: pushq %r12 +; CHECK-NEXT: pushq %rbx +; CHECK-NEXT: paddb %mm0, %mm0 +; CHECK-NEXT: movd %mm0, %eax +; CHECK-NEXT: movl %eax, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill +; CHECK-NEXT: #APP +; CHECK-NEXT: nop +; CHECK-NEXT: #NO_APP +; CHECK-NEXT: movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload +; CHECK-NEXT: popq %rbx +; CHECK-NEXT: popq %r12 +; CHECK-NEXT: popq %r13 +; CHECK-NEXT: popq %r14 +; CHECK-NEXT: popq %r15 +; CHECK-NEXT: popq %rbp +; CHECK-NEXT: retq + %1 = call x86_mmx @llvm.x86.mmx.padd.b(x86_mmx %a0, x86_mmx %a0) + %2 = bitcast x86_mmx %1 to <2 x i32> + %3 = extractelement <2 x i32> %2, i32 0 + %4 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"() + ret i32 %3 +} + ; TODO stack_fold_movq_load + ; TODO stack_fold_movq_store +; padd forces execution on mmx +define i64 @stack_fold_movq_store(x86_mmx %a0) nounwind { +; CHECK-LABEL: stack_fold_movq_store: +; CHECK: # %bb.0: +; CHECK-NEXT: pushq %rbp +; CHECK-NEXT: pushq %r15 +; CHECK-NEXT: pushq %r14 +; CHECK-NEXT: pushq %r13 +; CHECK-NEXT: pushq %r12 +; CHECK-NEXT: pushq %rbx +; CHECK-NEXT: paddb %mm0, %mm0 +; CHECK-NEXT: movq %mm0, %rax +; CHECK-NEXT: movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill +; CHECK-NEXT: #APP +; CHECK-NEXT: nop +; CHECK-NEXT: #NO_APP +; CHECK-NEXT: movq {{[-0-9]+}}(%r{{[sb]}}p), %rax # 8-byte Reload +; CHECK-NEXT: popq %rbx +; CHECK-NEXT: popq %r12 +; CHECK-NEXT: popq %r13 +; CHECK-NEXT: popq %r14 +; CHECK-NEXT: popq %r15 +; CHECK-NEXT: popq %rbp +; CHECK-NEXT: retq + %1 = call x86_mmx @llvm.x86.mmx.padd.b(x86_mmx %a0, x86_mmx %a0) + %2 = bitcast x86_mmx %1 to i64 + %3 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"() + ret i64 %2 +} define x86_mmx @stack_fold_pabsb(x86_mmx %a0) { ; CHECK-LABEL: stack_fold_pabsb: |
