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Diffstat (limited to 'test/CodeGen/X86/statepoint-gctransition-call-lowering.ll')
-rw-r--r-- | test/CodeGen/X86/statepoint-gctransition-call-lowering.ll | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/test/CodeGen/X86/statepoint-gctransition-call-lowering.ll b/test/CodeGen/X86/statepoint-gctransition-call-lowering.ll new file mode 100644 index 000000000000..61b8ded2c472 --- /dev/null +++ b/test/CodeGen/X86/statepoint-gctransition-call-lowering.ll @@ -0,0 +1,133 @@ +; RUN: llc < %s | FileCheck %s +; This file contains a collection of basic tests to ensure we didn't +; screw up normal call lowering when a statepoint is a GC transition. + +target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-pc-linux-gnu" + +declare zeroext i1 @return_i1() +declare zeroext i32 @return_i32() +declare zeroext i32 @return_i32_with_args(i32, i8*) +declare i32* @return_i32ptr() +declare float @return_float() +declare void @varargf(i32, ...) + +define i1 @test_i1_return() gc "statepoint-example" { +; CHECK-LABEL: test_i1_return +; This is just checking that a i1 gets lowered normally when there's no extra +; state arguments to the statepoint +; CHECK: pushq %rax +; CHECK: callq return_i1 +; CHECK: popq %rdx +; CHECK: retq +entry: + %safepoint_token = tail call i32 (i64, i32, i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i64 0, i32 0, i1 ()* @return_i1, i32 0, i32 1, i32 0, i32 0) + %call1 = call zeroext i1 @llvm.experimental.gc.result.i1(i32 %safepoint_token) + ret i1 %call1 +} + +define i32 @test_i32_return() gc "statepoint-example" { +; CHECK-LABEL: test_i32_return +; CHECK: pushq %rax +; CHECK: callq return_i32 +; CHECK: popq %rdx +; CHECK: retq +entry: + %safepoint_token = tail call i32 (i64, i32, i32 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i32f(i64 0, i32 0, i32 ()* @return_i32, i32 0, i32 1, i32 0, i32 0) + %call1 = call zeroext i32 @llvm.experimental.gc.result.i32(i32 %safepoint_token) + ret i32 %call1 +} + +define i32* @test_i32ptr_return() gc "statepoint-example" { +; CHECK-LABEL: test_i32ptr_return +; CHECK: pushq %rax +; CHECK: callq return_i32ptr +; CHECK: popq %rdx +; CHECK: retq +entry: + %safepoint_token = tail call i32 (i64, i32, i32* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p0i32f(i64 0, i32 0, i32* ()* @return_i32ptr, i32 0, i32 1, i32 0, i32 0) + %call1 = call i32* @llvm.experimental.gc.result.p0i32(i32 %safepoint_token) + ret i32* %call1 +} + +define float @test_float_return() gc "statepoint-example" { +; CHECK-LABEL: test_float_return +; CHECK: pushq %rax +; CHECK: callq return_float +; CHECK: popq %rax +; CHECK: retq +entry: + %safepoint_token = tail call i32 (i64, i32, float ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_f32f(i64 0, i32 0, float ()* @return_float, i32 0, i32 1, i32 0, i32 0) + %call1 = call float @llvm.experimental.gc.result.f32(i32 %safepoint_token) + ret float %call1 +} + +define i1 @test_relocate(i32 addrspace(1)* %a) gc "statepoint-example" { +; CHECK-LABEL: test_relocate +; Check that an ununsed relocate has no code-generation impact +; CHECK: pushq %rax +; CHECK: callq return_i1 +; CHECK-NEXT: .Ltmp9: +; CHECK-NEXT: popq %rdx +; CHECK-NEXT: retq +entry: + %safepoint_token = tail call i32 (i64, i32, i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i64 0, i32 0, i1 ()* @return_i1, i32 0, i32 1, i32 0, i32 0, i32 addrspace(1)* %a) + %call1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 7, i32 7) + %call2 = call zeroext i1 @llvm.experimental.gc.result.i1(i32 %safepoint_token) + ret i1 %call2 +} + +define void @test_void_vararg() gc "statepoint-example" { +; CHECK-LABEL: test_void_vararg +; Check a statepoint wrapping a *void* returning vararg function works +; CHECK: callq varargf +entry: + %safepoint_token = tail call i32 (i64, i32, void (i32, ...)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32varargf(i64 0, i32 0, void (i32, ...)* @varargf, i32 2, i32 1, i32 42, i32 43, i32 0, i32 0) + ;; if we try to use the result from a statepoint wrapping a + ;; non-void-returning varargf, we will experience a crash. + ret void +} + +define i32 @test_transition_args() gc "statepoint-example" { +; CHECK-LABEL: test_transition_args +; CHECK: pushq %rax +; CHECK: callq return_i32 +; CHECK: popq %rdx +; CHECK: retq +entry: + %val = alloca i32 + %safepoint_token = call i32 (i64, i32, i32 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i32f(i64 0, i32 0, i32 ()* @return_i32, i32 0, i32 1, i32 2, i32* %val, i64 42, i32 0) + %call1 = call i32 @llvm.experimental.gc.result.i32(i32 %safepoint_token) + ret i32 %call1 +} + +define i32 @test_transition_args_2() gc "statepoint-example" { +; CHECK-LABEL: test_transition_args_2 +; CHECK: pushq %rax +; CHECK: callq return_i32 +; CHECK: popq %rdx +; CHECK: retq +entry: + %val = alloca i32 + %arg = alloca i8 + %safepoint_token = call i32 (i64, i32, i32 (i32, i8*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i32i32p0i8f(i64 0, i32 0, i32 (i32, i8*)* @return_i32_with_args, i32 2, i32 1, i32 0, i8* %arg, i32 2, i32* %val, i64 42, i32 0) + %call1 = call i32 @llvm.experimental.gc.result.i32(i32 %safepoint_token) + ret i32 %call1 +} + +declare i32 @llvm.experimental.gc.statepoint.p0f_i1f(i64, i32, i1 ()*, i32, i32, ...) +declare i1 @llvm.experimental.gc.result.i1(i32) + +declare i32 @llvm.experimental.gc.statepoint.p0f_i32f(i64, i32, i32 ()*, i32, i32, ...) +declare i32 @llvm.experimental.gc.statepoint.p0f_i32i32p0i8f(i64, i32, i32 (i32, i8*)*, i32, i32, ...) +declare i32 @llvm.experimental.gc.result.i32(i32) + +declare i32 @llvm.experimental.gc.statepoint.p0f_p0i32f(i64, i32, i32* ()*, i32, i32, ...) +declare i32* @llvm.experimental.gc.result.p0i32(i32) + +declare i32 @llvm.experimental.gc.statepoint.p0f_f32f(i64, i32, float ()*, i32, i32, ...) +declare float @llvm.experimental.gc.result.f32(i32) + +declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidi32varargf(i64, i32, void (i32, ...)*, i32, i32, ...) + +declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32, i32, i32)
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