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https://github.com/c64scene-ar/llvm-6502.git
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230796b278
Specifically, gc.result benefits from this greatly. Instead of: gc.result.int.* gc.result.float.* gc.result.ptr.* ... We now have a gc.result.* that can specialize to literally any type. Differential Revision: http://reviews.llvm.org/D7020 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226857 91177308-0d34-0410-b5e6-96231b3b80d8
110 lines
2.8 KiB
LLVM
110 lines
2.8 KiB
LLVM
; RUN: llc < %s | FileCheck %s
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; This test is a sanity check to ensure statepoints are generating StackMap
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; sections correctly. This is not intended to be a rigorous test of the
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; StackMap format (see the stackmap tests for that).
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target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-linux-gnu"
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declare zeroext i1 @return_i1()
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define i1 @test(i32 addrspace(1)* %ptr) gc "statepoint-example" {
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; CHECK-LABEL: test
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; Do we see one spill for the local value and the store to the
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; alloca?
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; CHECK: subq $24, %rsp
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; CHECK: movq $0, 8(%rsp)
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; CHECK: movq %rdi, (%rsp)
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; CHECK: callq return_i1
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; CHECK: addq $24, %rsp
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; CHECK: retq
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entry:
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%metadata1 = alloca i32 addrspace(1)*, i32 2, align 8
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store i32 addrspace(1)* null, i32 addrspace(1)** %metadata1
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%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)
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%call1 = call zeroext i1 @llvm.experimental.gc.result.i1(i32 %safepoint_token)
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%a = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 6, i32 6)
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%b = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 7, i32 7)
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;
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ret i1 %call1
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}
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declare i32 @llvm.experimental.gc.statepoint.p0f_i1f(i1 ()*, i32, i32, ...)
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declare i1 @llvm.experimental.gc.result.i1(i32)
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declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32, i32, i32) #3
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; CHECK-LABEL: .section .llvm_stackmaps
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; CHECK-NEXT: __LLVM_StackMaps:
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; Header
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; CHECK-NEXT: .byte 1
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; CHECK-NEXT: .byte 0
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; CHECK-NEXT: .short 0
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; Num Functions
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; CHECK-NEXT: .long 1
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; Num LargeConstants
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; CHECK-NEXT: .long 0
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; Num Callsites
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; CHECK-NEXT: .long 1
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; Functions and stack size
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; CHECK-NEXT: .quad test
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; CHECK-NEXT: .quad 24
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; Large Constants
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; Statepoint ID only
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; CHECK: .quad 2882400000
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; Callsites
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; Constant arguments
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; CHECK: .long .Ltmp1-test
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; CHECK: .short 0
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; CHECK: .short 8
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; SmallConstant (0)
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; CHECK: .byte 4
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; CHECK: .byte 8
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; CHECK: .short 0
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; CHECK: .long 0
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; SmallConstant (2)
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; CHECK: .byte 4
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; CHECK: .byte 8
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; CHECK: .short 0
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; CHECK: .long 2
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; Direct Spill Slot [RSP+0]
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; CHECK: .byte 2
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; CHECK: .byte 8
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; CHECK: .short 7
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; CHECK: .long 0
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; SmallConstant (0)
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; CHECK: .byte 4
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; CHECK: .byte 8
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; CHECK: .short 0
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; CHECK: .long 0
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; SmallConstant (0)
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; CHECK: .byte 4
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; CHECK: .byte 8
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; CHECK: .short 0
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; CHECK: .long 0
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; SmallConstant (0)
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; CHECK: .byte 4
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; CHECK: .byte 8
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; CHECK: .short 0
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; CHECK: .long 0
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; Direct Spill Slot [RSP+0]
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; CHECK: .byte 2
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; CHECK: .byte 8
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; CHECK: .short 7
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; CHECK: .long 0
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; Direct Spill Slot [RSP+0]
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; CHECK: .byte 2
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; CHECK: .byte 8
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; CHECK: .short 7
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; CHECK: .long 0
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; No Padding or LiveOuts
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; CHECK: .short 0
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; CHECK: .short 0
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; CHECK: .align 8
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