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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
105 lines
4.0 KiB
LLVM
105 lines
4.0 KiB
LLVM
; RUN: llc < %s | FileCheck %s
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; This file contains a collection of basic tests to ensure we didn't
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; screw up normal call lowering when there are no deopt or gc arguments.
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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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declare zeroext i32 @return_i32()
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declare i32* @return_i32ptr()
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declare float @return_float()
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declare void @varargf(i32, ...)
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define i1 @test_i1_return() gc "statepoint-example" {
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; CHECK-LABEL: test_i1_return
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; This is just checking that a i1 gets lowered normally when there's no extra
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; state arguments to the statepoint
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; CHECK: pushq %rax
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; CHECK: callq return_i1
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; CHECK: popq %rdx
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; CHECK: retq
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entry:
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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 0)
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%call1 = call zeroext i1 @llvm.experimental.gc.result.i1(i32 %safepoint_token)
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ret i1 %call1
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}
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define i32 @test_i32_return() gc "statepoint-example" {
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; CHECK-LABEL: test_i32_return
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; CHECK: pushq %rax
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; CHECK: callq return_i32
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; CHECK: popq %rdx
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; CHECK: retq
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entry:
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%safepoint_token = tail call i32 (i32 ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_i32f(i32 ()* @return_i32, i32 0, i32 0, i32 0)
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%call1 = call zeroext i32 @llvm.experimental.gc.result.i32(i32 %safepoint_token)
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ret i32 %call1
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}
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define i32* @test_i32ptr_return() gc "statepoint-example" {
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; CHECK-LABEL: test_i32ptr_return
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; CHECK: pushq %rax
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; CHECK: callq return_i32ptr
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; CHECK: popq %rdx
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; CHECK: retq
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entry:
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%safepoint_token = tail call i32 (i32* ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_p0i32f(i32* ()* @return_i32ptr, i32 0, i32 0, i32 0)
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%call1 = call i32* @llvm.experimental.gc.result.p0i32(i32 %safepoint_token)
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ret i32* %call1
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}
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define float @test_float_return() gc "statepoint-example" {
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; CHECK-LABEL: test_float_return
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; CHECK: pushq %rax
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; CHECK: callq return_float
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; CHECK: popq %rax
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; CHECK: retq
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entry:
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%safepoint_token = tail call i32 (float ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_f32f(float ()* @return_float, i32 0, i32 0, i32 0)
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%call1 = call float @llvm.experimental.gc.result.f32(i32 %safepoint_token)
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ret float %call1
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}
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define i1 @test_relocate(i32 addrspace(1)* %a) gc "statepoint-example" {
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; CHECK-LABEL: test_relocate
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; Check that an ununsed relocate has no code-generation impact
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; CHECK: pushq %rax
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; CHECK: callq return_i1
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; CHECK-NEXT: .Ltmp13:
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; CHECK-NEXT: popq %rdx
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; CHECK-NEXT: retq
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entry:
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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 0, i32 addrspace(1)* %a)
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%call1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 4, i32 4)
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%call2 = call zeroext i1 @llvm.experimental.gc.result.i1(i32 %safepoint_token)
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ret i1 %call2
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}
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define void @test_void_vararg() gc "statepoint-example" {
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; CHECK-LABEL: test_void_vararg
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; Check a statepoint wrapping a *void* returning vararg function works
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; CHECK: callq varargf
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entry:
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%safepoint_token = tail call i32 (void (i32, ...)*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidi32varargf(void (i32, ...)* @varargf, i32 2, i32 0, i32 42, i32 43, i32 0)
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;; if we try to use the result from a statepoint wrapping a
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;; non-void-returning varargf, we will experience a crash.
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ret void
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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 @llvm.experimental.gc.statepoint.p0f_i32f(i32 ()*, i32, i32, ...)
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declare i32 @llvm.experimental.gc.result.i32(i32)
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declare i32 @llvm.experimental.gc.statepoint.p0f_p0i32f(i32* ()*, i32, i32, ...)
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declare i32* @llvm.experimental.gc.result.p0i32(i32)
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declare i32 @llvm.experimental.gc.statepoint.p0f_f32f(float ()*, i32, i32, ...)
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declare float @llvm.experimental.gc.result.f32(i32)
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declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidi32varargf(void (i32, ...)*, i32, i32, ...)
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declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32, i32, i32)
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