forked from OSchip/llvm-project
282 lines
7.4 KiB
LLVM
282 lines
7.4 KiB
LLVM
; RUN: llc < %s -stack-symbol-ordering=0 -mtriple="x86_64-pc-linux-gnu" | FileCheck %s
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; RUN: llc < %s -stack-symbol-ordering=0 -mtriple="x86_64-pc-unknown-elf" | 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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declare zeroext i1 @return_i1()
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define i1 @test(i32 addrspace(1)* %ptr_base, i32 %arg)
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gc "statepoint-example" {
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; CHECK-LABEL: test:
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; Do we see two spills for the local values and the store to the
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; alloca?
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; CHECK: subq $40, %rsp
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; CHECK: movq $0, 24(%rsp)
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; CHECK: movq %rdi, 16(%rsp)
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; CHECK: movq %rax, 8(%rsp)
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; CHECK: callq return_i1
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; CHECK: addq $40, %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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%ptr_derived = getelementptr i32, i32 addrspace(1)* %ptr_base, i32 %arg
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%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 2, i32 addrspace(1)* %ptr_base, i32 addrspace(1)* null, i32 addrspace(1)* %ptr_base, i32 addrspace(1)* %ptr_derived, i32 addrspace(1)* null)
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%call1 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token)
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%a = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 9, i32 9)
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%b = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 9, i32 10)
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%c = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 11, i32 11)
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;
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ret i1 %call1
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}
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; This is similar to the previous test except that we have derived pointer as
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; argument to the function. Despite that this can not happen after the
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; RewriteSafepointForGC pass, lowering should be able to handle it anyway.
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define i1 @test_derived_arg(i32 addrspace(1)* %ptr_base,
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i32 addrspace(1)* %ptr_derived)
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gc "statepoint-example" {
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; CHECK-LABEL: test_derived_arg
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; Do we see two spills for the local values and the store to the
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; alloca?
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; CHECK: subq $40, %rsp
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; CHECK: movq $0, 24(%rsp)
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; CHECK: movq %rdi, 16(%rsp)
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; CHECK: movq %rsi, 8(%rsp)
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; CHECK: callq return_i1
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; CHECK: addq $40, %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 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 2, i32 addrspace(1)* %ptr_base, i32 addrspace(1)* null, i32 addrspace(1)* %ptr_base, i32 addrspace(1)* %ptr_derived, i32 addrspace(1)* null)
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%call1 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token)
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%a = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 9, i32 9)
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%b = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 9, i32 10)
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%c = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 11, i32 11)
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;
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ret i1 %call1
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}
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; Simple test case to check that we emit the ID field correctly
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define i1 @test_id() gc "statepoint-example" {
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; CHECK-LABEL: test_id
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entry:
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%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)
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%call1 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token)
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ret i1 %call1
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}
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declare token @llvm.experimental.gc.statepoint.p0f_i1f(i64, i32, i1 ()*, i32, i32, ...)
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declare i1 @llvm.experimental.gc.result.i1(token)
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declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token, 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 2
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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 3
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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 3
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; Functions and stack size
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; CHECK-NEXT: .quad test
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; CHECK-NEXT: .quad 40
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; CHECK-NEXT: .quad 1
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; CHECK-NEXT: .quad test_derived_arg
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; CHECK-NEXT: .quad 40
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; CHECK-NEXT: .quad 1
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; CHECK-NEXT: .quad test_id
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; CHECK-NEXT: .quad 8
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; CHECK-NEXT: .quad 1
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;
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; test
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;
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; Statepoint ID
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; CHECK-NEXT: .quad 0
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; Callsites
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; Constant arguments
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; CHECK-NEXT: .long .Ltmp1-test
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; CHECK: .short 0
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; CHECK: .short 11
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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 (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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; Indirect Spill Slot [RSP+0]
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; CHECK: .byte 3
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; CHECK: .byte 8
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; CHECK: .short 7
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; CHECK: .long 16
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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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; Indirect Spill Slot [RSP+16]
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; CHECK: .byte 3
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; CHECK: .byte 8
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; CHECK: .short 7
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; CHECK: .long 16
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; Indirect Spill Slot [RSP+8]
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; CHECK: .byte 3
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; CHECK: .byte 8
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; CHECK: .short 7
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; CHECK: .long 8
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; Indirect Spill Slot [RSP+16]
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; CHECK: .byte 3
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; CHECK: .byte 8
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; CHECK: .short 7
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; CHECK: .long 16
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; Indirect Spill Slot [RSP+16]
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; CHECK: .byte 3
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; CHECK: .byte 8
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; CHECK: .short 7
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; CHECK: .long 16
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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: .p2align 3
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;
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; test_derived_arg
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; Statepoint ID
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; CHECK-NEXT: .quad 0
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; Callsites
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; Constant arguments
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; CHECK-NEXT: .long .Ltmp3-test_derived_arg
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; CHECK: .short 0
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; CHECK: .short 11
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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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; Indirect Spill Slot [RSP+0]
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; CHECK: .byte 3
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; CHECK: .byte 8
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; CHECK: .short 7
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; CHECK: .long 16
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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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; Indirect Spill Slot [RSP+16]
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; CHECK: .byte 3
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; CHECK: .byte 8
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; CHECK: .short 7
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; CHECK: .long 16
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; Indirect Spill Slot [RSP+8]
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; CHECK: .byte 3
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; CHECK: .byte 8
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; CHECK: .short 7
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; CHECK: .long 8
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; Indirect Spill Slot [RSP+16]
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; CHECK: .byte 3
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; CHECK: .byte 8
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; CHECK: .short 7
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; CHECK: .long 16
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; Indirect Spill Slot [RSP+16]
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; CHECK: .byte 3
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; CHECK: .byte 8
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; CHECK: .short 7
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; CHECK: .long 16
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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: .p2align 3
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; Records for the test_id function:
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; The Statepoint ID:
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; CHECK-NEXT: .quad 237
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; Instruction Offset
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; CHECK-NEXT: .long .Ltmp5-test_id
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; Reserved:
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; CHECK: .short 0
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; NumLocations:
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; CHECK: .short 3
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; StkMapRecord[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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; StkMapRecord[1]:
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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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; StkMapRecord[2]:
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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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; No padding or LiveOuts
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; CHECK: .short 0
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; CHECK: .short 0
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; CHECK: .p2align 3
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