; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-apple-macosx10.9 -verify-machineinstrs -mattr=cx16 | FileCheck %s @var = global i128 0 ; Due to the scheduling right after isel for cmpxchg and given the ; machine scheduler and copy coalescer do not mess up with physical ; register live-ranges, we end up with a useless copy. define i128 @val_compare_and_swap(i128* %p, i128 %oldval, i128 %newval) { ; CHECK-LABEL: val_compare_and_swap: ; CHECK: ## %bb.0: ; CHECK-NEXT: pushq %rbx ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset %rbx, -16 ; CHECK-NEXT: movq %rcx, %r9 ; CHECK-NEXT: movq %rsi, %rax ; CHECK-NEXT: movq %r8, %rcx ; CHECK-NEXT: movq %r9, %rbx ; CHECK-NEXT: lock cmpxchg16b (%rdi) ; CHECK-NEXT: popq %rbx ; CHECK-NEXT: retq %pair = cmpxchg i128* %p, i128 %oldval, i128 %newval acquire acquire %val = extractvalue { i128, i1 } %pair, 0 ret i128 %val } define void @fetch_and_nand(i128* %p, i128 %bits) { ; CHECK-LABEL: fetch_and_nand: ; CHECK: ## %bb.0: ; CHECK-NEXT: pushq %rbx ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset %rbx, -16 ; CHECK-NEXT: movq %rdx, %r8 ; CHECK-NEXT: movq (%rdi), %rax ; CHECK-NEXT: movq 8(%rdi), %rdx ; CHECK-NEXT: .p2align 4, 0x90 ; CHECK-NEXT: LBB1_1: ## %atomicrmw.start ; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: movq %rdx, %rcx ; CHECK-NEXT: andq %r8, %rcx ; CHECK-NEXT: movq %rax, %rbx ; CHECK-NEXT: andq %rsi, %rbx ; CHECK-NEXT: notq %rbx ; CHECK-NEXT: notq %rcx ; CHECK-NEXT: lock cmpxchg16b (%rdi) ; CHECK-NEXT: jne LBB1_1 ; CHECK-NEXT: ## %bb.2: ## %atomicrmw.end ; CHECK-NEXT: movq %rax, {{.*}}(%rip) ; CHECK-NEXT: movq %rdx, _var+{{.*}}(%rip) ; CHECK-NEXT: popq %rbx ; CHECK-NEXT: retq %val = atomicrmw nand i128* %p, i128 %bits release store i128 %val, i128* @var, align 16 ret void } define void @fetch_and_or(i128* %p, i128 %bits) { ; CHECK-LABEL: fetch_and_or: ; CHECK: ## %bb.0: ; CHECK-NEXT: pushq %rbx ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset %rbx, -16 ; CHECK-NEXT: movq %rdx, %r8 ; CHECK-NEXT: movq (%rdi), %rax ; CHECK-NEXT: movq 8(%rdi), %rdx ; CHECK-NEXT: .p2align 4, 0x90 ; CHECK-NEXT: LBB2_1: ## %atomicrmw.start ; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: movq %rax, %rbx ; CHECK-NEXT: orq %rsi, %rbx ; CHECK-NEXT: movq %rdx, %rcx ; CHECK-NEXT: orq %r8, %rcx ; CHECK-NEXT: lock cmpxchg16b (%rdi) ; CHECK-NEXT: jne LBB2_1 ; CHECK-NEXT: ## %bb.2: ## %atomicrmw.end ; CHECK-NEXT: movq %rax, {{.*}}(%rip) ; CHECK-NEXT: movq %rdx, _var+{{.*}}(%rip) ; CHECK-NEXT: popq %rbx ; CHECK-NEXT: retq %val = atomicrmw or i128* %p, i128 %bits seq_cst store i128 %val, i128* @var, align 16 ret void } define void @fetch_and_add(i128* %p, i128 %bits) { ; CHECK-LABEL: fetch_and_add: ; CHECK: ## %bb.0: ; CHECK-NEXT: pushq %rbx ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset %rbx, -16 ; CHECK-NEXT: movq %rdx, %r8 ; CHECK-NEXT: movq (%rdi), %rax ; CHECK-NEXT: movq 8(%rdi), %rdx ; CHECK-NEXT: .p2align 4, 0x90 ; CHECK-NEXT: LBB3_1: ## %atomicrmw.start ; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: movq %rax, %rbx ; CHECK-NEXT: addq %rsi, %rbx ; CHECK-NEXT: movq %rdx, %rcx ; CHECK-NEXT: adcq %r8, %rcx ; CHECK-NEXT: lock cmpxchg16b (%rdi) ; CHECK-NEXT: jne LBB3_1 ; CHECK-NEXT: ## %bb.2: ## %atomicrmw.end ; CHECK-NEXT: movq %rax, {{.*}}(%rip) ; CHECK-NEXT: movq %rdx, _var+{{.*}}(%rip) ; CHECK-NEXT: popq %rbx ; CHECK-NEXT: retq %val = atomicrmw add i128* %p, i128 %bits seq_cst store i128 %val, i128* @var, align 16 ret void } define void @fetch_and_sub(i128* %p, i128 %bits) { ; CHECK-LABEL: fetch_and_sub: ; CHECK: ## %bb.0: ; CHECK-NEXT: pushq %rbx ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset %rbx, -16 ; CHECK-NEXT: movq %rdx, %r8 ; CHECK-NEXT: movq (%rdi), %rax ; CHECK-NEXT: movq 8(%rdi), %rdx ; CHECK-NEXT: .p2align 4, 0x90 ; CHECK-NEXT: LBB4_1: ## %atomicrmw.start ; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: movq %rax, %rbx ; CHECK-NEXT: subq %rsi, %rbx ; CHECK-NEXT: movq %rdx, %rcx ; CHECK-NEXT: sbbq %r8, %rcx ; CHECK-NEXT: lock cmpxchg16b (%rdi) ; CHECK-NEXT: jne LBB4_1 ; CHECK-NEXT: ## %bb.2: ## %atomicrmw.end ; CHECK-NEXT: movq %rax, {{.*}}(%rip) ; CHECK-NEXT: movq %rdx, _var+{{.*}}(%rip) ; CHECK-NEXT: popq %rbx ; CHECK-NEXT: retq %val = atomicrmw sub i128* %p, i128 %bits seq_cst store i128 %val, i128* @var, align 16 ret void } define void @fetch_and_min(i128* %p, i128 %bits) { ; CHECK-LABEL: fetch_and_min: ; CHECK: ## %bb.0: ; CHECK-NEXT: pushq %rbx ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset %rbx, -16 ; CHECK-NEXT: movq %rdx, %r8 ; CHECK-NEXT: movq (%rdi), %rax ; CHECK-NEXT: movq 8(%rdi), %rdx ; CHECK-NEXT: .p2align 4, 0x90 ; CHECK-NEXT: LBB5_1: ## %atomicrmw.start ; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: cmpq %rax, %rsi ; CHECK-NEXT: movq %r8, %rcx ; CHECK-NEXT: sbbq %rdx, %rcx ; CHECK-NEXT: movq %r8, %rcx ; CHECK-NEXT: cmovgeq %rdx, %rcx ; CHECK-NEXT: movq %rsi, %rbx ; CHECK-NEXT: cmovgeq %rax, %rbx ; CHECK-NEXT: lock cmpxchg16b (%rdi) ; CHECK-NEXT: jne LBB5_1 ; CHECK-NEXT: ## %bb.2: ## %atomicrmw.end ; CHECK-NEXT: movq %rax, {{.*}}(%rip) ; CHECK-NEXT: movq %rdx, _var+{{.*}}(%rip) ; CHECK-NEXT: popq %rbx ; CHECK-NEXT: retq %val = atomicrmw min i128* %p, i128 %bits seq_cst store i128 %val, i128* @var, align 16 ret void } define void @fetch_and_max(i128* %p, i128 %bits) { ; CHECK-LABEL: fetch_and_max: ; CHECK: ## %bb.0: ; CHECK-NEXT: pushq %rbx ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset %rbx, -16 ; CHECK-NEXT: movq %rdx, %r8 ; CHECK-NEXT: movq (%rdi), %rax ; CHECK-NEXT: movq 8(%rdi), %rdx ; CHECK-NEXT: .p2align 4, 0x90 ; CHECK-NEXT: LBB6_1: ## %atomicrmw.start ; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: cmpq %rsi, %rax ; CHECK-NEXT: movq %rdx, %rcx ; CHECK-NEXT: sbbq %r8, %rcx ; CHECK-NEXT: movq %r8, %rcx ; CHECK-NEXT: cmovgeq %rdx, %rcx ; CHECK-NEXT: movq %rsi, %rbx ; CHECK-NEXT: cmovgeq %rax, %rbx ; CHECK-NEXT: lock cmpxchg16b (%rdi) ; CHECK-NEXT: jne LBB6_1 ; CHECK-NEXT: ## %bb.2: ## %atomicrmw.end ; CHECK-NEXT: movq %rax, {{.*}}(%rip) ; CHECK-NEXT: movq %rdx, _var+{{.*}}(%rip) ; CHECK-NEXT: popq %rbx ; CHECK-NEXT: retq %val = atomicrmw max i128* %p, i128 %bits seq_cst store i128 %val, i128* @var, align 16 ret void } define void @fetch_and_umin(i128* %p, i128 %bits) { ; CHECK-LABEL: fetch_and_umin: ; CHECK: ## %bb.0: ; CHECK-NEXT: pushq %rbx ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset %rbx, -16 ; CHECK-NEXT: movq %rdx, %r8 ; CHECK-NEXT: movq (%rdi), %rax ; CHECK-NEXT: movq 8(%rdi), %rdx ; CHECK-NEXT: .p2align 4, 0x90 ; CHECK-NEXT: LBB7_1: ## %atomicrmw.start ; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: cmpq %rax, %rsi ; CHECK-NEXT: movq %r8, %rcx ; CHECK-NEXT: sbbq %rdx, %rcx ; CHECK-NEXT: movq %r8, %rcx ; CHECK-NEXT: cmovaeq %rdx, %rcx ; CHECK-NEXT: movq %rsi, %rbx ; CHECK-NEXT: cmovaeq %rax, %rbx ; CHECK-NEXT: lock cmpxchg16b (%rdi) ; CHECK-NEXT: jne LBB7_1 ; CHECK-NEXT: ## %bb.2: ## %atomicrmw.end ; CHECK-NEXT: movq %rax, {{.*}}(%rip) ; CHECK-NEXT: movq %rdx, _var+{{.*}}(%rip) ; CHECK-NEXT: popq %rbx ; CHECK-NEXT: retq %val = atomicrmw umin i128* %p, i128 %bits seq_cst store i128 %val, i128* @var, align 16 ret void } define void @fetch_and_umax(i128* %p, i128 %bits) { ; CHECK-LABEL: fetch_and_umax: ; CHECK: ## %bb.0: ; CHECK-NEXT: pushq %rbx ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset %rbx, -16 ; CHECK-NEXT: movq %rdx, %r8 ; CHECK-NEXT: movq (%rdi), %rax ; CHECK-NEXT: movq 8(%rdi), %rdx ; CHECK-NEXT: .p2align 4, 0x90 ; CHECK-NEXT: LBB8_1: ## %atomicrmw.start ; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: cmpq %rax, %rsi ; CHECK-NEXT: movq %r8, %rcx ; CHECK-NEXT: sbbq %rdx, %rcx ; CHECK-NEXT: movq %r8, %rcx ; CHECK-NEXT: cmovbq %rdx, %rcx ; CHECK-NEXT: movq %rsi, %rbx ; CHECK-NEXT: cmovbq %rax, %rbx ; CHECK-NEXT: lock cmpxchg16b (%rdi) ; CHECK-NEXT: jne LBB8_1 ; CHECK-NEXT: ## %bb.2: ## %atomicrmw.end ; CHECK-NEXT: movq %rax, {{.*}}(%rip) ; CHECK-NEXT: movq %rdx, _var+{{.*}}(%rip) ; CHECK-NEXT: popq %rbx ; CHECK-NEXT: retq %val = atomicrmw umax i128* %p, i128 %bits seq_cst store i128 %val, i128* @var, align 16 ret void } define i128 @atomic_load_seq_cst(i128* %p) { ; CHECK-LABEL: atomic_load_seq_cst: ; CHECK: ## %bb.0: ; CHECK-NEXT: pushq %rbx ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset %rbx, -16 ; CHECK-NEXT: xorl %eax, %eax ; CHECK-NEXT: xorl %edx, %edx ; CHECK-NEXT: xorl %ecx, %ecx ; CHECK-NEXT: xorl %ebx, %ebx ; CHECK-NEXT: lock cmpxchg16b (%rdi) ; CHECK-NEXT: popq %rbx ; CHECK-NEXT: retq %r = load atomic i128, i128* %p seq_cst, align 16 ret i128 %r } define i128 @atomic_load_relaxed(i128* %p) { ; CHECK-LABEL: atomic_load_relaxed: ; CHECK: ## %bb.0: ; CHECK-NEXT: pushq %rbx ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset %rbx, -16 ; CHECK-NEXT: xorl %eax, %eax ; CHECK-NEXT: xorl %edx, %edx ; CHECK-NEXT: xorl %ecx, %ecx ; CHECK-NEXT: xorl %ebx, %ebx ; CHECK-NEXT: lock cmpxchg16b (%rdi) ; CHECK-NEXT: popq %rbx ; CHECK-NEXT: retq %r = load atomic i128, i128* %p monotonic, align 16 ret i128 %r } define void @atomic_store_seq_cst(i128* %p, i128 %in) { ; CHECK-LABEL: atomic_store_seq_cst: ; CHECK: ## %bb.0: ; CHECK-NEXT: pushq %rbx ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset %rbx, -16 ; CHECK-NEXT: movq %rdx, %rcx ; CHECK-NEXT: movq %rsi, %rbx ; CHECK-NEXT: movq (%rdi), %rax ; CHECK-NEXT: movq 8(%rdi), %rdx ; CHECK-NEXT: .p2align 4, 0x90 ; CHECK-NEXT: LBB11_1: ## %atomicrmw.start ; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: lock cmpxchg16b (%rdi) ; CHECK-NEXT: jne LBB11_1 ; CHECK-NEXT: ## %bb.2: ## %atomicrmw.end ; CHECK-NEXT: popq %rbx ; CHECK-NEXT: retq store atomic i128 %in, i128* %p seq_cst, align 16 ret void } define void @atomic_store_release(i128* %p, i128 %in) { ; CHECK-LABEL: atomic_store_release: ; CHECK: ## %bb.0: ; CHECK-NEXT: pushq %rbx ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset %rbx, -16 ; CHECK-NEXT: movq %rdx, %rcx ; CHECK-NEXT: movq %rsi, %rbx ; CHECK-NEXT: movq (%rdi), %rax ; CHECK-NEXT: movq 8(%rdi), %rdx ; CHECK-NEXT: .p2align 4, 0x90 ; CHECK-NEXT: LBB12_1: ## %atomicrmw.start ; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: lock cmpxchg16b (%rdi) ; CHECK-NEXT: jne LBB12_1 ; CHECK-NEXT: ## %bb.2: ## %atomicrmw.end ; CHECK-NEXT: popq %rbx ; CHECK-NEXT: retq store atomic i128 %in, i128* %p release, align 16 ret void } define void @atomic_store_relaxed(i128* %p, i128 %in) { ; CHECK-LABEL: atomic_store_relaxed: ; CHECK: ## %bb.0: ; CHECK-NEXT: pushq %rbx ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset %rbx, -16 ; CHECK-NEXT: movq %rdx, %rcx ; CHECK-NEXT: movq %rsi, %rbx ; CHECK-NEXT: movq (%rdi), %rax ; CHECK-NEXT: movq 8(%rdi), %rdx ; CHECK-NEXT: .p2align 4, 0x90 ; CHECK-NEXT: LBB13_1: ## %atomicrmw.start ; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: lock cmpxchg16b (%rdi) ; CHECK-NEXT: jne LBB13_1 ; CHECK-NEXT: ## %bb.2: ## %atomicrmw.end ; CHECK-NEXT: popq %rbx ; CHECK-NEXT: retq store atomic i128 %in, i128* %p unordered, align 16 ret void }