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llvm-6502/test/CodeGen/X86/statepoint-invoke.ll
Igor Laevsky efab5a1dfa [StatepointLowering] Support of the gc.relocates for invoke statepoints. 
This change implements support for lowering of the gc.relocates tied to the invoke statepoint.
This is acomplished by storing frame indices of the lowered values in "StatepointRelocatedValues" map inside FunctionLoweringInfo instead of storing them in per-basic block structure StatepointLowering.
After this change StatepointLowering is used only during "LowerStatepoint" call and it is not necessary to store it as a field in SelectionDAGBuilder anymore.

Differential Revision: http://reviews.llvm.org/D7798


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237786 91177308-0d34-0410-b5e6-96231b3b80d8
2015-05-20 11:37:25 +00:00

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; RUN: llc < %s 2>&1 | FileCheck %s
target triple = "x86_64-pc-linux-gnu"
declare void @"some_call"(i64 addrspace(1)*)
declare i64 addrspace(1)* @"some_other_call"(i64 addrspace(1)*)
declare i32 @"personality_function"()
define i64 addrspace(1)* @test_basic(i64 addrspace(1)* %obj,
i64 addrspace(1)* %obj1)
gc "statepoint-example" {
entry:
; CHECK: Ltmp{{[0-9]+}}:
; CHECK: callq some_call
; CHECK: Ltmp{{[0-9]+}}:
%0 = invoke i32 (i64, i32, void (i64 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(i64 0, i32 0, void (i64 addrspace(1)*)* @some_call, i32 1, i32 0, i64 addrspace(1)* %obj, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0, i64 addrspace(1)* %obj, i64 addrspace(1)* %obj1)
to label %invoke_safepoint_normal_dest unwind label %exceptional_return
invoke_safepoint_normal_dest:
; CHECK: movq
%obj.relocated = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32 %0, i32 13, i32 13)
%obj1.relocated = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32 %0, i32 14, i32 14)
br label %normal_return
normal_return:
; CHECK: retq
ret i64 addrspace(1)* %obj.relocated
exceptional_return:
; CHECK: Ltmp{{[0-9]+}}:
; CHECK: movq
; CHECK: retq
%landing_pad = landingpad { i8*, i32 } personality i32 ()* @"personality_function"
cleanup
%relocate_token = extractvalue { i8*, i32 } %landing_pad, 1
%obj.relocated1 = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32 %relocate_token, i32 13, i32 13)
%obj1.relocated1 = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32 %relocate_token, i32 14, i32 14)
ret i64 addrspace(1)* %obj1.relocated1
}
; CHECK-LABEL: GCC_except_table{{[0-9]+}}:
; CHECK: .long .Ltmp{{[0-9]+}}-.Ltmp{{[0-9]+}}
; CHECK: .long .Ltmp{{[0-9]+}}-.Lfunc_begin{{[0-9]+}}
; CHECK: .byte 0
; CHECK: .align 4
define i64 addrspace(1)* @test_result(i64 addrspace(1)* %obj,
i64 addrspace(1)* %obj1)
gc "statepoint-example" {
entry:
; CHECK: .Ltmp{{[0-9]+}}:
; CHECK: callq some_other_call
; CHECK: .Ltmp{{[0-9]+}}:
%0 = invoke i32 (i64, i32, i64 addrspace(1)* (i64 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i64p1i64f(i64 0, i32 0, i64 addrspace(1)* (i64 addrspace(1)*)* @some_other_call, i32 1, i32 0, i64 addrspace(1)* %obj, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0, i64 addrspace(1)* %obj, i64 addrspace(1)* %obj1)
to label %normal_return unwind label %exceptional_return
normal_return:
; CHECK: popq
; CHECK: retq
%ret_val = call i64 addrspace(1)* @llvm.experimental.gc.result.p1i64(i32 %0)
ret i64 addrspace(1)* %ret_val
exceptional_return:
; CHECK: .Ltmp{{[0-9]+}}:
; CHECK: movq
%landing_pad = landingpad { i8*, i32 } personality i32 ()* @personality_function
cleanup
%relocate_token = extractvalue { i8*, i32 } %landing_pad, 1
%obj.relocated = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32 %relocate_token, i32 13, i32 13)
ret i64 addrspace(1)* %obj.relocated
}
; CHECK-LABEL: GCC_except_table{{[0-9]+}}:
; CHECK: .long .Ltmp{{[0-9]+}}-.Ltmp{{[0-9]+}}
; CHECK: .long .Ltmp{{[0-9]+}}-.Lfunc_begin{{[0-9]+}}
; CHECK: .byte 0
; CHECK: .align 4
define i64 addrspace(1)* @test_same_val(i1 %cond, i64 addrspace(1)* %val1, i64 addrspace(1)* %val2, i64 addrspace(1)* %val3)
gc "statepoint-example" {
entry:
br i1 %cond, label %left, label %right
left:
; CHECK-LABEL: %left
; CHECK: movq %rdx, 8(%rsp)
; CHECK: movq
; CHECK: callq some_call
%sp1 = invoke i32 (i64, i32, void (i64 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(i64 0, i32 0, void (i64 addrspace(1)*)* @some_call, i32 1, i32 0, i64 addrspace(1)* %val1, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0, i64 addrspace(1)* %val1, i64 addrspace(1)* %val2)
to label %left.relocs unwind label %exceptional_return.left
left.relocs:
; CHECK: movq (%rsp),
; CHECK: movq 8(%rsp), [[REGVAL2:%[a-z]+]]
%val1.relocated = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32 %sp1, i32 13, i32 13)
%val2.relocated_left = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32 %sp1, i32 14, i32 14)
br label %normal_return
right:
; CHECK-LABEL: %right
; CHECK: movq
; CHECK: movq %rdx, (%rsp)
; CHECK: callq some_call
%sp2 = invoke i32 (i64, i32, void (i64 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(i64 0, i32 0, void (i64 addrspace(1)*)* @some_call, i32 1, i32 0, i64 addrspace(1)* %val1, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0, i64 addrspace(1)* %val2, i64 addrspace(1)* %val3)
to label %right.relocs unwind label %exceptional_return.right
right.relocs:
; CHECK: movq (%rsp), [[REGVAL2]]
; CHECK: movq
%val2.relocated_right = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32 %sp2, i32 13, i32 13)
%val3.relocated = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32 %sp2, i32 14, i32 14)
br label %normal_return
normal_return:
; CHECK-LABEL: %normal_return
; CHECK: cmoveq {{.*}}[[REGVAL2]]{{.*}}
; CHECK retq
%a1 = phi i64 addrspace(1)* [%val1.relocated, %left.relocs], [%val3.relocated, %right.relocs]
%a2 = phi i64 addrspace(1)* [%val2.relocated_left, %left.relocs], [%val2.relocated_right, %right.relocs]
%ret = select i1 %cond, i64 addrspace(1)* %a1, i64 addrspace(1)* %a2
ret i64 addrspace(1)* %ret
exceptional_return.left:
%landing_pad = landingpad { i8*, i32 } personality i32 ()* @"personality_function"
cleanup
%relocate_token = extractvalue { i8*, i32 } %landing_pad, 1
%val.relocated2 = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32 %relocate_token, i32 13, i32 13)
ret i64 addrspace(1)* %val.relocated2
exceptional_return.right:
%landing_pad1 = landingpad { i8*, i32 } personality i32 ()* @"personality_function"
cleanup
%relocate_token1 = extractvalue { i8*, i32 } %landing_pad1, 1
%val.relocated3 = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32 %relocate_token1, i32 13, i32 13)
ret i64 addrspace(1)* %val.relocated3
}
define i64 addrspace(1)* @test_null_undef(i64 addrspace(1)* %val1)
gc "statepoint-example" {
; CHECK-LABEL: test_null_undef:
entry:
; CHECK: callq some_call
%sp1 = invoke i32 (i64, i32, void (i64 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(i64 0, i32 0, void (i64 addrspace(1)*)* @some_call, i32 1, i32 0, i64 addrspace(1)* %val1, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0, i64 addrspace(1)* null, i64 addrspace(1)* undef)
to label %normal_return unwind label %exceptional_return
normal_return:
; CHECK-LABEL: %normal_return
; CHECK: xorl %eax, %eax
; CHECK-NEXT: popq
; CHECK-NEXT: retq
%null.relocated = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32 %sp1, i32 13, i32 13)
%undef.relocated = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32 %sp1, i32 14, i32 14)
ret i64 addrspace(1)* %null.relocated
exceptional_return:
%landing_pad = landingpad { i8*, i32 } personality i32 ()* @"personality_function"
cleanup
%relocate_token = extractvalue { i8*, i32 } %landing_pad, 1
%null.relocated2 = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32 %relocate_token, i32 13, i32 13)
%undef.relocated2 = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32 %relocate_token, i32 14, i32 14)
ret i64 addrspace(1)* %null.relocated2
}
define i64 addrspace(1)* @test_alloca_and_const(i64 addrspace(1)* %val1)
gc "statepoint-example" {
; CHECK-LABEL: test_alloca_and_const:
entry:
%a = alloca i32
%aa = addrspacecast i32* %a to i32 addrspace(1)*
%c = inttoptr i64 15 to i64 addrspace(1)*
; CHECK: callq
%sp = invoke i32 (i64, i32, void (i64 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(i64 0, i32 0, void (i64 addrspace(1)*)* @some_call, i32 1, i32 0, i64 addrspace(1)* %val1, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0, i32 addrspace(1)* %aa, i64 addrspace(1)* %c)
to label %normal_return unwind label %exceptional_return
normal_return:
; CHECK: leaq
; CHECK-NEXT: popq
; CHECK-NEXT: retq
%aa.rel = call coldcc i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %sp, i32 13, i32 13)
%aa.converted = bitcast i32 addrspace(1)* %aa.rel to i64 addrspace(1)*
ret i64 addrspace(1)* %aa.converted
exceptional_return:
; CHECK: movl $15
; CHECK-NEXT: popq
; CHECK-NEXT: retq
%landing_pad = landingpad { i8*, i32 } personality i32 ()* @"personality_function"
cleanup
%relocate_token = extractvalue { i8*, i32 } %landing_pad, 1
%aa.rel2 = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32 %relocate_token, i32 14, i32 14)
ret i64 addrspace(1)* %aa.rel2
}
declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(i64, i32, void (i64 addrspace(1)*)*, i32, i32, ...)
declare i32 @llvm.experimental.gc.statepoint.p0f_p1i64p1i64f(i64, i32, i64 addrspace(1)* (i64 addrspace(1)*)*, i32, i32, ...)
declare i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(i32, i32, i32)
declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32, i32, i32)
declare i64 addrspace(1)* @llvm.experimental.gc.result.p1i64(i32)
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