; RUN: llc < %s -verify-machineinstrs -stack-symbol-ordering=0 -mtriple="x86_64-pc-linux-gnu" | FileCheck %s ; RUN: llc < %s -verify-machineinstrs -stack-symbol-ordering=0 -mtriple="x86_64-pc-unknown-elf" | 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" declare zeroext i1 @return_i1() define i1 @test(i32 addrspace(1)* %ptr_base, i32 %arg) gc "statepoint-example" { ; CHECK-LABEL: test: ; Do we see two spills for the local values and the store to the ; alloca? ; CHECK: subq $40, %rsp ; CHECK: movq $0, 24(%rsp) ; CHECK: movq %rdi, 16(%rsp) ; CHECK: movq %rax, 8(%rsp) ; CHECK: callq return_i1 ; CHECK: addq $40, %rsp ; CHECK: retq entry: %metadata1 = alloca i32 addrspace(1)*, i32 2, align 8 store i32 addrspace(1)* null, i32 addrspace(1)** %metadata1 %ptr_derived = getelementptr i32, i32 addrspace(1)* %ptr_base, i32 %arg %safepoint_token = tail call token (i64, i32, i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i64 0, i32 0, i1 ()* @return_i1, i32 0, i32 0, i32 0, i32 0) ["gc-live"(i32 addrspace(1)* %ptr_base, i32 addrspace(1)* %ptr_derived, i32 addrspace(1)* null), "deopt" (i32 addrspace(1)* %ptr_base, i32 addrspace(1)* null)] %call1 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token) %a = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0) %b = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 1) %c = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 2, i32 2) ; ret i1 %call1 } ; This is similar to the previous test except that we have derived pointer as ; argument to the function. Despite that this can not happen after the ; RewriteSafepointForGC pass, lowering should be able to handle it anyway. define i1 @test_derived_arg(i32 addrspace(1)* %ptr_base, i32 addrspace(1)* %ptr_derived) gc "statepoint-example" { ; CHECK-LABEL: test_derived_arg ; Do we see two spills for the local values and the store to the ; alloca? ; CHECK: subq $40, %rsp ; CHECK: movq $0, 24(%rsp) ; CHECK: movq %rdi, 16(%rsp) ; CHECK: movq %rsi, 8(%rsp) ; CHECK: callq return_i1 ; CHECK: addq $40, %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 token (i64, i32, i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i64 0, i32 0, i1 ()* @return_i1, i32 0, i32 0, i32 0, i32 0) ["gc-live"(i32 addrspace(1)* %ptr_base, i32 addrspace(1)* %ptr_derived, i32 addrspace(1)* null), "deopt" (i32 addrspace(1)* %ptr_base, i32 addrspace(1)* null)] %call1 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token) %a = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0) %b = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 1) %c = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 2, i32 2) ; ret i1 %call1 } ; Simple test case to check that we emit the ID field correctly define i1 @test_id() gc "statepoint-example" { ; CHECK-LABEL: test_id entry: %safepoint_token = tail call token (i64, i32, i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i64 237, i32 0, i1 ()* @return_i1, i32 0, i32 0, i32 0, i32 0) %call1 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token) ret i1 %call1 } ; This test checks that when SP is changed in the function ; (e.g. passing arguments on stack), the stack map entry ; takes this adjustment into account. declare void @many_arg(i64, i64, i64, i64, i64, i64, i64, i64) define i32 @test_spadj(i32 addrspace(1)* %p) gc "statepoint-example" { ; CHECK-LABEL: test_spadj ; CHECK: movq %rdi, (%rsp) ; CHECK: xorl %edi, %edi ; CHECK: xorl %esi, %esi ; CHECK: xorl %edx, %edx ; CHECK: xorl %ecx, %ecx ; CHECK: xorl %r8d, %r8d ; CHECK: xorl %r9d, %r9d ; CHECK: pushq $0 ; CHECK: pushq $0 ; CHECK: callq many_arg ; CHECK: addq $16, %rsp ; CHECK: movq (%rsp) %statepoint_token = call token (i64, i32, void (i64, i64, i64, i64, i64, i64, i64, i64)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi64i64i64i64i64i64i64i64f(i64 0, i32 0, void (i64, i64, i64, i64, i64, i64, i64, i64)* @many_arg, i32 8, i32 0, i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i32 0, i32 0) ["gc-live"(i32 addrspace(1)* %p)] %p.relocated = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %statepoint_token, i32 0, i32 0) ; (%p, %p) %ld = load i32, i32 addrspace(1)* %p.relocated ret i32 %ld } ; Test that function arguments at fixed stack offset ; can be directly encoded in the stack map, without ; spilling. %struct = type { i64, i64, i64 } declare void @use(%struct*) define void @test_fixed_arg(%struct* byval(%struct) %x) gc "statepoint-example" { ; CHECK-LABEL: test_fixed_arg ; CHECK: pushq %rax ; CHECK: leaq 16(%rsp), %rdi ; Should not spill fixed stack address. ; CHECK-NOT: movq %rdi, (%rsp) ; CHECK: callq use ; CHECK: popq %rax ; CHECK: retq entry: br label %bb bb: ; preds = %entry %statepoint_token = call token (i64, i32, void (%struct*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidp0s_structsf(i64 0, i32 0, void (%struct*)* @use, i32 1, i32 0, %struct* %x, i32 0, i32 0) ["deopt" (%struct* %x)] ret void } declare token @llvm.experimental.gc.statepoint.p0f_i1f(i64, i32, i1 ()*, i32, i32, ...) declare token @llvm.experimental.gc.statepoint.p0f_isVoidi64i64i64i64i64i64i64i64f(i64, i32, void (i64, i64, i64, i64, i64, i64, i64, i64)*, i32, i32, ...) declare token @llvm.experimental.gc.statepoint.p0f_isVoidp0s_structsf(i64, i32, void (%struct*)*, i32, i32, ...) declare i1 @llvm.experimental.gc.result.i1(token) declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token, i32, i32) #3 ; CHECK-LABEL: .section .llvm_stackmaps ; CHECK-NEXT: __LLVM_StackMaps: ; Header ; CHECK-NEXT: .byte 3 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 0 ; Num Functions ; CHECK-NEXT: .long 5 ; Num LargeConstants ; CHECK-NEXT: .long 0 ; Num Callsites ; CHECK-NEXT: .long 5 ; Functions and stack size ; CHECK-NEXT: .quad test ; CHECK-NEXT: .quad 40 ; CHECK-NEXT: .quad 1 ; CHECK-NEXT: .quad test_derived_arg ; CHECK-NEXT: .quad 40 ; CHECK-NEXT: .quad 1 ; CHECK-NEXT: .quad test_id ; CHECK-NEXT: .quad 8 ; CHECK-NEXT: .quad 1 ; CHECK-NEXT: .quad test_spadj ; CHECK-NEXT: .quad 8 ; CHECK-NEXT: .quad 1 ; CHECK-NEXT: .quad test_fixed_arg ; CHECK-NEXT: .quad 8 ; CHECK-NEXT: .quad 1 ; ; test ; ; Statepoint ID ; CHECK-NEXT: .quad 0 ; Callsites ; Constant arguments ; CHECK-NEXT: .long .Ltmp0-test ; CHECK: .short 0 ; CHECK: .short 11 ; SmallConstant (0) ; CHECK: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 0 ; CHECK-NEXT: .short 0 ; CHECK: .long 0 ; SmallConstant (0) ; CHECK: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 0 ; CHECK-NEXT: .short 0 ; CHECK: .long 0 ; SmallConstant (2) ; CHECK: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 0 ; CHECK-NEXT: .short 0 ; CHECK: .long 2 ; Indirect Spill Slot [RSP+0] ; CHECK: .byte 3 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 7 ; CHECK-NEXT: .short 0 ; CHECK: .long 16 ; SmallConstant (0) ; CHECK: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 0 ; CHECK-NEXT: .short 0 ; CHECK: .long 0 ; SmallConstant (0) ; CHECK: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 0 ; CHECK-NEXT: .short 0 ; CHECK: .long 0 ; SmallConstant (0) ; CHECK: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 0 ; CHECK-NEXT: .short 0 ; CHECK: .long 0 ; Indirect Spill Slot [RSP+16] ; CHECK: .byte 3 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 7 ; CHECK-NEXT: .short 0 ; CHECK: .long 16 ; Indirect Spill Slot [RSP+8] ; CHECK: .byte 3 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 7 ; CHECK-NEXT: .short 0 ; CHECK: .long 8 ; Indirect Spill Slot [RSP+16] ; CHECK: .byte 3 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 7 ; CHECK-NEXT: .short 0 ; CHECK: .long 16 ; Indirect Spill Slot [RSP+16] ; CHECK: .byte 3 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 7 ; CHECK-NEXT: .short 0 ; CHECK: .long 16 ; No Padding or LiveOuts ; CHECK: .short 0 ; CHECK: .short 0 ; CHECK: .p2align 3 ; ; test_derived_arg ; Statepoint ID ; CHECK-NEXT: .quad 0 ; Callsites ; Constant arguments ; CHECK-NEXT: .long .Ltmp1-test_derived_arg ; CHECK: .short 0 ; CHECK: .short 11 ; SmallConstant (0) ; CHECK: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 0 ; CHECK-NEXT: .short 0 ; CHECK: .long 0 ; SmallConstant (2) ; CHECK: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 0 ; CHECK-NEXT: .short 0 ; CHECK: .long 2 ; Indirect Spill Slot [RSP+0] ; CHECK: .byte 3 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 7 ; CHECK-NEXT: .short 0 ; CHECK: .long 16 ; SmallConstant (0) ; CHECK: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 0 ; CHECK-NEXT: .short 0 ; CHECK: .long 0 ; SmallConstant (0) ; CHECK: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 0 ; CHECK-NEXT: .short 0 ; CHECK: .long 0 ; SmallConstant (0) ; CHECK: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 0 ; CHECK-NEXT: .short 0 ; CHECK: .long 0 ; Indirect Spill Slot [RSP+16] ; CHECK: .byte 3 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 7 ; CHECK-NEXT: .short 0 ; CHECK: .long 16 ; Indirect Spill Slot [RSP+8] ; CHECK: .byte 3 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 7 ; CHECK-NEXT: .short 0 ; CHECK: .long 8 ; Indirect Spill Slot [RSP+16] ; CHECK: .byte 3 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 7 ; CHECK-NEXT: .short 0 ; CHECK: .long 16 ; Indirect Spill Slot [RSP+16] ; CHECK: .byte 3 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 7 ; CHECK-NEXT: .short 0 ; CHECK: .long 16 ; No Padding or LiveOuts ; CHECK: .short 0 ; CHECK: .short 0 ; CHECK: .p2align 3 ; Records for the test_id function: ; The Statepoint ID: ; CHECK-NEXT: .quad 237 ; Instruction Offset ; CHECK-NEXT: .long .Ltmp2-test_id ; Reserved: ; CHECK: .short 0 ; NumLocations: ; CHECK: .short 3 ; StkMapRecord[0]: ; SmallConstant(0): ; CHECK: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 0 ; CHECK-NEXT: .short 0 ; CHECK: .long 0 ; StkMapRecord[1]: ; SmallConstant(0): ; CHECK: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 0 ; CHECK-NEXT: .short 0 ; CHECK: .long 0 ; StkMapRecord[2]: ; SmallConstant(0): ; CHECK: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 0 ; CHECK-NEXT: .short 0 ; CHECK: .long 0 ; No padding or LiveOuts ; CHECK: .short 0 ; CHECK: .short 0 ; CHECK: .p2align 3 ; ; test_spadj ; Statepoint ID ; CHECK-NEXT: .quad 0 ; Instruction Offset ; CHECK-NEXT: .long .Ltmp3-test_spadj ; Reserved: ; CHECK: .short 0 ; NumLocations: ; CHECK: .short 5 ; StkMapRecord[0]: ; SmallConstant(0): ; CHECK: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 0 ; CHECK-NEXT: .short 0 ; CHECK: .long 0 ; StkMapRecord[1]: ; SmallConstant(0): ; CHECK: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 0 ; CHECK-NEXT: .short 0 ; CHECK: .long 0 ; StkMapRecord[2]: ; SmallConstant(0): ; CHECK: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 0 ; CHECK-NEXT: .short 0 ; CHECK: .long 0 ; StkMapRecord[3]: ; Indirect Spill Slot [RSP+16] ; CHECK: .byte 3 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 7 ; CHECK-NEXT: .short 0 ; CHECK: .long 16 ; StkMapRecord[4]: ; Indirect Spill Slot [RSP+16] ; CHECK: .byte 3 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 7 ; CHECK-NEXT: .short 0 ; CHECK: .long 16 ; No padding or LiveOuts ; CHECK: .short 0 ; CHECK: .short 0 ; CHECK: .p2align 3 ; ; test_fixed_arg ; Statepoint ID ; CHECK-NEXT: .quad 0 ; Instruction Offset ; CHECK-NEXT: .long .Ltmp4-test_fixed_arg ; Reserved: ; CHECK: .short 0 ; NumLocations: ; CHECK: .short 4 ; StkMapRecord[0]: ; SmallConstant(0): ; CHECK: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 0 ; CHECK-NEXT: .short 0 ; CHECK: .long 0 ; StkMapRecord[1]: ; SmallConstant(0): ; CHECK: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 0 ; CHECK-NEXT: .short 0 ; CHECK: .long 0 ; StkMapRecord[2]: ; SmallConstant(1): ; CHECK: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 0 ; CHECK-NEXT: .short 0 ; CHECK: .long 1 ; StkMapRecord[3]: ; Direct RSP+16 ; CHECK: .byte 2 ; CHECK-NEXT: .byte 0 ; CHECK: .short 8 ; CHECK: .short 7 ; CHECK-NEXT: .short 0 ; CHECK: .long 16 ; No padding or LiveOuts ; CHECK: .short 0 ; CHECK: .short 0 ; CHECK: .p2align 3