| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -max-registers-for-gc-values=256 -verify-machineinstrs < %s | FileCheck %s |
| |
| target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-pc-win64" |
| |
| declare void @foo() |
| declare void @bar(i64) |
| |
| define void @test(ptr addrspace(1) %b) gc "statepoint-example" { |
| ; CHECK-LABEL: test: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: pushq %rbp |
| ; CHECK-NEXT: .cfi_def_cfa_offset 16 |
| ; CHECK-NEXT: pushq %r15 |
| ; CHECK-NEXT: .cfi_def_cfa_offset 24 |
| ; CHECK-NEXT: pushq %r14 |
| ; CHECK-NEXT: .cfi_def_cfa_offset 32 |
| ; CHECK-NEXT: pushq %r13 |
| ; CHECK-NEXT: .cfi_def_cfa_offset 40 |
| ; CHECK-NEXT: pushq %r12 |
| ; CHECK-NEXT: .cfi_def_cfa_offset 48 |
| ; CHECK-NEXT: pushq %rbx |
| ; CHECK-NEXT: .cfi_def_cfa_offset 56 |
| ; CHECK-NEXT: subq $24, %rsp |
| ; CHECK-NEXT: .cfi_def_cfa_offset 80 |
| ; CHECK-NEXT: .cfi_offset %rbx, -56 |
| ; CHECK-NEXT: .cfi_offset %r12, -48 |
| ; CHECK-NEXT: .cfi_offset %r13, -40 |
| ; CHECK-NEXT: .cfi_offset %r14, -32 |
| ; CHECK-NEXT: .cfi_offset %r15, -24 |
| ; CHECK-NEXT: .cfi_offset %rbp, -16 |
| ; CHECK-NEXT: movq (%rdi), %rbx |
| ; CHECK-NEXT: movq 8(%rdi), %rax |
| ; CHECK-NEXT: movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill |
| ; CHECK-NEXT: movq 16(%rdi), %r14 |
| ; CHECK-NEXT: movq 24(%rdi), %r15 |
| ; CHECK-NEXT: movq 32(%rdi), %r12 |
| ; CHECK-NEXT: movq 40(%rdi), %r13 |
| ; CHECK-NEXT: movq 48(%rdi), %rbp |
| ; CHECK-NEXT: movq %rbx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill |
| ; CHECK-NEXT: callq foo@PLT # 8-byte Folded Reload |
| ; CHECK-NEXT: .Ltmp0: |
| ; CHECK-NEXT: movq {{[-0-9]+}}(%r{{[sb]}}p), %rbx # 8-byte Reload |
| ; CHECK-NEXT: movq %rbp, %rdi |
| ; CHECK-NEXT: callq bar@PLT |
| ; CHECK-NEXT: movq %r13, %rdi |
| ; CHECK-NEXT: callq bar@PLT |
| ; CHECK-NEXT: movq %r12, %rdi |
| ; CHECK-NEXT: callq bar@PLT |
| ; CHECK-NEXT: movq %r15, %rdi |
| ; CHECK-NEXT: callq bar@PLT |
| ; CHECK-NEXT: movq %r14, %rdi |
| ; CHECK-NEXT: callq bar@PLT |
| ; CHECK-NEXT: movq {{[-0-9]+}}(%r{{[sb]}}p), %rdi # 8-byte Reload |
| ; CHECK-NEXT: callq bar@PLT |
| ; CHECK-NEXT: addq $24, %rsp |
| ; CHECK-NEXT: .cfi_def_cfa_offset 56 |
| ; CHECK-NEXT: popq %rbx |
| ; CHECK-NEXT: .cfi_def_cfa_offset 48 |
| ; CHECK-NEXT: popq %r12 |
| ; CHECK-NEXT: .cfi_def_cfa_offset 40 |
| ; CHECK-NEXT: popq %r13 |
| ; CHECK-NEXT: .cfi_def_cfa_offset 32 |
| ; CHECK-NEXT: popq %r14 |
| ; CHECK-NEXT: .cfi_def_cfa_offset 24 |
| ; CHECK-NEXT: popq %r15 |
| ; CHECK-NEXT: .cfi_def_cfa_offset 16 |
| ; CHECK-NEXT: popq %rbp |
| ; CHECK-NEXT: .cfi_def_cfa_offset 8 |
| ; CHECK-NEXT: retq |
| entry: |
| %p = load ptr addrspace(1), ptr addrspace(1) %b |
| %a6.ptr = getelementptr i64, ptr addrspace(1) %b, i64 1 |
| %a6 = load i64, ptr addrspace(1) %a6.ptr |
| %a5.ptr = getelementptr i64, ptr addrspace(1) %b, i64 2 |
| %a5 = load i64, ptr addrspace(1) %a5.ptr |
| %a4.ptr = getelementptr i64, ptr addrspace(1) %b, i64 3 |
| %a4 = load i64, ptr addrspace(1) %a4.ptr |
| %a3.ptr = getelementptr i64, ptr addrspace(1) %b, i64 4 |
| %a3 = load i64, ptr addrspace(1) %a3.ptr |
| %a2.ptr = getelementptr i64, ptr addrspace(1) %b, i64 5 |
| %a2 = load i64, ptr addrspace(1) %a2.ptr |
| %a1.ptr = getelementptr i64, ptr addrspace(1) %b, i64 6 |
| %a1 = load i64, ptr addrspace(1) %a1.ptr |
| %token = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) ["deopt" (ptr addrspace(1) %p)] |
| call void @bar(i64 %a1) |
| call void @bar(i64 %a2) |
| call void @bar(i64 %a3) |
| call void @bar(i64 %a4) |
| call void @bar(i64 %a5) |
| call void @bar(i64 %a6) |
| ret void |
| } |
| |
| declare token @llvm.experimental.gc.statepoint.p0(i64, i32, ptr, i32, i32, ...) |
| declare ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token, i32, i32) |
| |