| ; RUN: llc < %s | FileCheck %s |
| ; This test is a sanity check to ensure statepoints are generating StackMap |
| ; sections correctly. This is not intended to be a rigorous test of the |
| ; StackMap format (see the stackmap tests for that). |
| |
| target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-pc-linux-gnu" |
| |
| declare zeroext i1 @return_i1() |
| |
| define i1 @test(i32 addrspace(1)* %ptr) gc "statepoint-example" { |
| ; CHECK-LABEL: test |
| ; Do we see one spill for the local value and the store to the |
| ; alloca? |
| ; CHECK: subq $24, %rsp |
| ; CHECK: movq $0, 8(%rsp) |
| ; CHECK: movq %rdi, (%rsp) |
| ; CHECK: callq return_i1 |
| ; CHECK: addq $24, %rsp |
| ; CHECK: retq |
| entry: |
| %metadata1 = alloca i32 addrspace(1)*, i32 2, align 8 |
| store i32 addrspace(1)* null, i32 addrspace(1)** %metadata1 |
| %safepoint_token = tail call i32 (i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i1 ()* @return_i1, i32 0, i32 0, i32 2, i32 addrspace(1)* %ptr, i32 addrspace(1)* null, i32 addrspace(1)* %ptr, i32 addrspace(1)* null) |
| %call1 = call zeroext i1 @llvm.experimental.gc.result.i1(i32 %safepoint_token) |
| %a = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 6, i32 6) |
| %b = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 7, i32 7) |
| ; |
| ret i1 %call1 |
| } |
| |
| declare i32 @llvm.experimental.gc.statepoint.p0f_i1f(i1 ()*, i32, i32, ...) |
| declare i1 @llvm.experimental.gc.result.i1(i32) |
| declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32, i32, i32) #3 |
| |
| |
| ; CHECK-LABEL: .section .llvm_stackmaps |
| ; CHECK-NEXT: __LLVM_StackMaps: |
| ; Header |
| ; CHECK-NEXT: .byte 1 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .short 0 |
| ; Num Functions |
| ; CHECK-NEXT: .long 1 |
| ; Num LargeConstants |
| ; CHECK-NEXT: .long 0 |
| ; Num Callsites |
| ; CHECK-NEXT: .long 1 |
| |
| ; Functions and stack size |
| ; CHECK-NEXT: .quad test |
| ; CHECK-NEXT: .quad 24 |
| |
| ; Large Constants |
| ; Statepoint ID only |
| ; CHECK: .quad 2882400000 |
| |
| ; Callsites |
| ; Constant arguments |
| ; CHECK: .long .Ltmp1-test |
| ; CHECK: .short 0 |
| ; CHECK: .short 8 |
| ; SmallConstant (0) |
| ; CHECK: .byte 4 |
| ; CHECK: .byte 8 |
| ; CHECK: .short 0 |
| ; CHECK: .long 0 |
| ; SmallConstant (2) |
| ; CHECK: .byte 4 |
| ; CHECK: .byte 8 |
| ; CHECK: .short 0 |
| ; CHECK: .long 2 |
| ; Direct Spill Slot [RSP+0] |
| ; CHECK: .byte 2 |
| ; CHECK: .byte 8 |
| ; CHECK: .short 7 |
| ; CHECK: .long 0 |
| ; SmallConstant (0) |
| ; CHECK: .byte 4 |
| ; CHECK: .byte 8 |
| ; CHECK: .short 0 |
| ; CHECK: .long 0 |
| ; SmallConstant (0) |
| ; CHECK: .byte 4 |
| ; CHECK: .byte 8 |
| ; CHECK: .short 0 |
| ; CHECK: .long 0 |
| ; SmallConstant (0) |
| ; CHECK: .byte 4 |
| ; CHECK: .byte 8 |
| ; CHECK: .short 0 |
| ; CHECK: .long 0 |
| ; Direct Spill Slot [RSP+0] |
| ; CHECK: .byte 2 |
| ; CHECK: .byte 8 |
| ; CHECK: .short 7 |
| ; CHECK: .long 0 |
| ; Direct Spill Slot [RSP+0] |
| ; CHECK: .byte 2 |
| ; CHECK: .byte 8 |
| ; CHECK: .short 7 |
| ; CHECK: .long 0 |
| |
| ; No Padding or LiveOuts |
| ; CHECK: .short 0 |
| ; CHECK: .short 0 |
| ; CHECK: .align 8 |
| |
| |
