06c192d454
Upgrade of the IR text tests should be the only thing blocking making typed byval mandatory. Partially done through regex and partially manual.
219 lines
9.0 KiB
LLVM
219 lines
9.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -verify-machineinstrs < %s | FileCheck %s
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; A collection of basic functionality tests for statepoint lowering - most
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; interesting cornercases are exercised through the x86 tests.
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target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "aarch64-unknown-linux-gnu"
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%struct = type { i64, i64 }
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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 %struct @return_struct()
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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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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: bl return_i1
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; CHECK-NEXT: .Ltmp2:
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; CHECK-NEXT: and w0, w0, #0x1
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; CHECK-NEXT: ret
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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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entry:
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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 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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define i32 @test_i32_return() gc "statepoint-example" {
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; CHECK-LABEL: test_i32_return:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: bl return_i32
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; CHECK-NEXT: .Ltmp3:
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; CHECK-NEXT: ret
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entry:
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%safepoint_token = tail call token (i64, i32, i32 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i32f(i64 0, i32 0, i32 ()* @return_i32, i32 0, i32 0, i32 0, i32 0)
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%call1 = call zeroext i32 @llvm.experimental.gc.result.i32(token %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: // %bb.0: // %entry
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; CHECK-NEXT: bl return_i32ptr
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; CHECK-NEXT: .Ltmp4:
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; CHECK-NEXT: ret
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entry:
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%safepoint_token = tail call token (i64, i32, i32* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p0i32f(i64 0, i32 0, i32* ()* @return_i32ptr, i32 0, i32 0, i32 0, i32 0)
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%call1 = call i32* @llvm.experimental.gc.result.p0i32(token %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: // %bb.0: // %entry
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; CHECK-NEXT: bl return_float
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; CHECK-NEXT: .Ltmp5:
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; CHECK-NEXT: ret
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entry:
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%safepoint_token = tail call token (i64, i32, float ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_f32f(i64 0, i32 0, float ()* @return_float, i32 0, i32 0, i32 0, i32 0)
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%call1 = call float @llvm.experimental.gc.result.f32(token %safepoint_token)
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ret float %call1
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}
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define %struct @test_struct_return() gc "statepoint-example" {
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; CHECK-LABEL: test_struct_return:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: bl return_struct
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; CHECK-NEXT: .Ltmp6:
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; CHECK-NEXT: ret
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entry:
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%safepoint_token = tail call token (i64, i32, %struct ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_structf(i64 0, i32 0, %struct ()* @return_struct, i32 0, i32 0, i32 0, i32 0)
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%call1 = call %struct @llvm.experimental.gc.result.struct(token %safepoint_token)
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ret %struct %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: // %bb.0: // %entry
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; CHECK-NEXT: sub sp, sp, #16 // =16
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: str x0, [sp, #8]
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; CHECK-NEXT: bl return_i1
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; CHECK-NEXT: .Ltmp7:
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; CHECK-NEXT: and w0, w0, #0x1
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; CHECK-NEXT: add sp, sp, #16 // =16
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; CHECK-NEXT: ret
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; Check that an ununsed relocate has no code-generation impact
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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 0, i32 0, i1 ()* @return_i1, i32 0, i32 0, i32 0, i32 0) ["gc-live" (i32 addrspace(1)* %a)]
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%call1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0)
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%call2 = call zeroext i1 @llvm.experimental.gc.result.i1(token %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: // %bb.0: // %entry
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; CHECK-NEXT: mov w0, #42
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; CHECK-NEXT: mov w1, #43
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; CHECK-NEXT: bl varargf
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; CHECK-NEXT: .Ltmp8:
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; CHECK-NEXT: ret
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; Check a statepoint wrapping a *void* returning vararg function works
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entry:
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%safepoint_token = tail call token (i64, i32, void (i32, ...)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32varargf(i64 0, i32 0, void (i32, ...)* @varargf, i32 2, i32 0, i32 42, i32 43, i32 0, 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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define i1 @test_i1_return_patchable() gc "statepoint-example" {
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; CHECK-LABEL: test_i1_return_patchable:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: nop
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; CHECK-NEXT: .Ltmp9:
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; CHECK-NEXT: and w0, w0, #0x1
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; CHECK-NEXT: ret
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; A patchable variant of test_i1_return
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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 0, i32 4, i1 ()*null, 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 void @consume(i32 addrspace(1)* %obj)
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define i1 @test_cross_bb(i32 addrspace(1)* %a, i1 %external_cond) gc "statepoint-example" {
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; CHECK-LABEL: test_cross_bb:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: str x30, [sp, #-32]! // 8-byte Folded Spill
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; CHECK-NEXT: stp x20, x19, [sp, #16] // 16-byte Folded Spill
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; CHECK-NEXT: .cfi_def_cfa_offset 32
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; CHECK-NEXT: .cfi_offset w19, -8
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; CHECK-NEXT: .cfi_offset w20, -16
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; CHECK-NEXT: .cfi_offset w30, -32
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; CHECK-NEXT: mov w20, w1
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; CHECK-NEXT: str x0, [sp, #8]
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; CHECK-NEXT: bl return_i1
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; CHECK-NEXT: .Ltmp10:
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; CHECK-NEXT: tbz w20, #0, .LBB8_2
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; CHECK-NEXT: // %bb.1: // %left
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; CHECK-NEXT: mov w19, w0
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; CHECK-NEXT: ldr x0, [sp, #8]
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; CHECK-NEXT: bl consume
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; CHECK-NEXT: and w0, w19, #0x1
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; CHECK-NEXT: b .LBB8_3
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; CHECK-NEXT: .LBB8_2: // %right
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; CHECK-NEXT: mov w0, #1
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; CHECK-NEXT: .LBB8_3: // %right
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; CHECK-NEXT: ldp x20, x19, [sp, #16] // 16-byte Folded Reload
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; CHECK-NEXT: ldr x30, [sp], #32 // 8-byte Folded Reload
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; CHECK-NEXT: ret
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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 0, i32 0, i1 ()* @return_i1, i32 0, i32 0, i32 0, i32 0) ["gc-live" (i32 addrspace(1)* %a)]
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br i1 %external_cond, label %left, label %right
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left:
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%call1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0)
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%call2 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token)
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call void @consume(i32 addrspace(1)* %call1)
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ret i1 %call2
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right:
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ret i1 true
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}
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%struct2 = type { i64, i64, i64 }
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declare void @consume_attributes(i32, i8* nest, i32, %struct2* byval(%struct2))
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define void @test_attributes(%struct2* byval(%struct2) %s) gc "statepoint-example" {
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; CHECK-LABEL: test_attributes:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: sub sp, sp, #32 // =32
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; CHECK-NEXT: .cfi_def_cfa_offset 32
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; CHECK-NEXT: ldr x8, [sp, #48]
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; CHECK-NEXT: ldr q0, [sp, #32]
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; CHECK-NEXT: mov w0, #42
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; CHECK-NEXT: mov w1, #17
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; CHECK-NEXT: mov x18, xzr
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; CHECK-NEXT: str x8, [sp, #16]
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; CHECK-NEXT: str q0, [sp]
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; CHECK-NEXT: bl consume_attributes
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; CHECK-NEXT: .Ltmp11:
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; CHECK-NEXT: add sp, sp, #32 // =32
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; CHECK-NEXT: ret
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entry:
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; Check that arguments with attributes are lowered correctly.
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; We call a function that has a nest argument and a byval argument.
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%statepoint_token = call token (i64, i32, void (i32, i8*, i32, %struct2*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32p0i8i32p0s_struct2sf(i64 0, i32 0, void (i32, i8*, i32, %struct2*)* @consume_attributes, i32 4, i32 0, i32 42, i8* nest null, i32 17, %struct2* byval(%struct2) %s, i32 0, i32 0)
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ret void
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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 token @llvm.experimental.gc.statepoint.p0f_i32f(i64, i32, i32 ()*, i32, i32, ...)
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declare i32 @llvm.experimental.gc.result.i32(token)
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declare token @llvm.experimental.gc.statepoint.p0f_p0i32f(i64, i32, i32* ()*, i32, i32, ...)
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declare i32* @llvm.experimental.gc.result.p0i32(token)
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declare token @llvm.experimental.gc.statepoint.p0f_f32f(i64, i32, float ()*, i32, i32, ...)
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declare float @llvm.experimental.gc.result.f32(token)
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declare token @llvm.experimental.gc.statepoint.p0f_structf(i64, i32, %struct ()*, i32, i32, ...)
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declare %struct @llvm.experimental.gc.result.struct(token)
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declare token @llvm.experimental.gc.statepoint.p0f_isVoidi32varargf(i64, i32, void (i32, ...)*, i32, i32, ...)
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declare token @llvm.experimental.gc.statepoint.p0f_isVoidi32p0i8i32p0s_struct2sf(i64, i32, void (i32, i8*, i32, %struct2*)*, i32, i32, ...)
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declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token, i32, i32)
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