160 lines
11 KiB
LLVM
160 lines
11 KiB
LLVM
; RUN: llc -max-registers-for-gc-values=4 -stop-after virtregrewriter < %s | FileCheck %s
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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 dso_local void @"some_call"(i64 addrspace(1)*)
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declare dso_local i32 @foo(i32, i8 addrspace(1)*, i32, i32, i32)
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declare dso_local i32* @personality_function()
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define i64 addrspace(1)* @test_basic_invoke(i64 addrspace(1)* %obj, i64 addrspace(1)* %obj1)
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; CHECK-LABEL: name: test_basic_invoke
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; CHECK: bb.0.entry:
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; CHECK: MOV64mr %stack.1, 1, $noreg, 0, $noreg, renamable $rdi :: (store 8 into %stack.1)
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; CHECK: MOV64mr %stack.0, 1, $noreg, 0, $noreg, killed renamable $rsi :: (store 8 into %stack.0)
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; CHECK: STATEPOINT 0, 0, 1, @some_call, $rdi, 2, 0, 2, 0, 2, 5, 2, 0, 2, -1, 2, 0, 2, 0, 2, 0, 2, 2, 1, 8, %stack.0, 0, 1, 8, %stack.1, 0, 2, 0, 2, 2, 0, 0, 1, 1, csr_64, implicit-def $rsp, implicit-def $ssp :: (volatile load store 8 on %stack.0), (volatile load store 8 on %stack.1)
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; CHECK: JMP_1 %bb.1
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; CHECK: bb.1.safepoint_normal_dest:
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; CHECK: renamable $rax = MOV64rm %stack.1, 1, $noreg, 0, $noreg :: (load 8 from %stack.1)
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; CHECK: bb.2.normal_return:
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; CHECK: RET 0, $rax
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; CHECK: bb.3.exceptional_return (landing-pad):
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; CHECK: renamable $rax = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load 8 from %stack.0)
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; CHECK: RET 0, $rax
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gc "statepoint-example" personality i32* ()* @"personality_function" {
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entry:
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%0 = invoke token (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 0) ["gc-live" (i64 addrspace(1)* %obj, i64 addrspace(1)* %obj1), "deopt" (i32 0, i32 -1, i32 0, i32 0, i32 0)]
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to label %safepoint_normal_dest unwind label %exceptional_return
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safepoint_normal_dest:
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%obj.relocated = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(token %0, i32 0, i32 0)
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%obj1.relocated = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(token %0, i32 1, i32 1)
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br label %normal_return
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normal_return:
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ret i64 addrspace(1)* %obj.relocated
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exceptional_return:
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%landing_pad = landingpad token
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cleanup
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%obj.relocated1 = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(token %landing_pad, i32 0, i32 0)
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%obj1.relocated1 = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(token %landing_pad, i32 1, i32 1)
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ret i64 addrspace(1)* %obj1.relocated1
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}
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define i64 addrspace(1)* @test_invoke_same_val(i1 %cond, i64 addrspace(1)* %val1, i64 addrspace(1)* %val2, i64 addrspace(1)* %val3)
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; CHECK-LABEL: name: test_invoke_same_val
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; CHECK: bb.0.entry:
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; CHECK: renamable $rbx = COPY $rcx
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; CHECK: renamable $rbp = COPY $rdx
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; CHECK: renamable $r14d = COPY $edi
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; CHECK: TEST8ri renamable $r14b, 1, implicit-def $eflags
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; CHECK: JCC_1 %bb.3, 4, implicit killed $eflags
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; CHECK: JMP_1 %bb.1
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; CHECK: bb.1.left:
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; CHECK: MOV64mr %stack.0, 1, $noreg, 0, $noreg, renamable $rsi :: (store 8 into %stack.0)
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; CHECK: $rdi = COPY killed renamable $rsi
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; CHECK: renamable $rbp = STATEPOINT 0, 0, 1, @some_call, $rdi, 2, 0, 2, 0, 2, 0, 2, 2, killed renamable $rbp(tied-def 0), 1, 8, %stack.0, 0, 2, 0, 2, 2, 0, 0, 1, 1, csr_64, implicit-def $rsp, implicit-def $ssp :: (volatile load store 8 on %stack.0)
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; CHECK: JMP_1 %bb.2
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; CHECK: bb.2.left.relocs:
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; CHECK: renamable $rbx = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load 8 from %stack.0)
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; CHECK: JMP_1 %bb.5
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; CHECK: bb.3.right:
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; CHECK: MOV64mr %stack.0, 1, $noreg, 0, $noreg, killed renamable $rbp :: (store 8 into %stack.0)
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; CHECK: $rdi = COPY killed renamable $rsi
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; CHECK: renamable $rbx = STATEPOINT 0, 0, 1, @some_call, $rdi, 2, 0, 2, 0, 2, 0, 2, 2, killed renamable $rbx(tied-def 0), 1, 8, %stack.0, 0, 2, 0, 2, 2, 0, 0, 1, 1, csr_64, implicit-def $rsp, implicit-def $ssp :: (volatile load store 8 on %stack.0)
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; CHECK: JMP_1 %bb.4
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; CHECK: bb.4.right.relocs:
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; CHECK: renamable $rbp = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load 8 from %stack.0)
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; CHECK: bb.5.normal_return:
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; CHECK: TEST8ri renamable $r14b, 1, implicit-def $eflags, implicit killed $r14d
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; CHECK: renamable $rbx = CMOV64rr killed renamable $rbx, killed renamable $rbp, 4, implicit killed $eflags
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; CHECK: $rax = COPY killed renamable $rbx
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; CHECK: RET 0, $rax
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; CHECK: bb.6.exceptional_return.left (landing-pad):
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; CHECK: renamable $rax = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load 8 from %stack.0)
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; CHECK: RET 0, $rax
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; CHECK: bb.7.exceptional_return.right (landing-pad):
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; CHECK: renamable $rax = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load 8 from %stack.0)
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; CHECK: RET 0, $rax
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gc "statepoint-example" personality i32* ()* @"personality_function" {
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entry:
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br i1 %cond, label %left, label %right
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left:
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%sp1 = invoke token (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 0) ["gc-live"(i64 addrspace(1)* %val1, i64 addrspace(1)* %val2)]
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to label %left.relocs unwind label %exceptional_return.left
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left.relocs:
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%val1.relocated = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(token %sp1, i32 0, i32 0)
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%val2.relocated_left = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(token %sp1, i32 1, i32 1)
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br label %normal_return
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right:
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%sp2 = invoke token (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 0) ["gc-live"(i64 addrspace(1)* %val2, i64 addrspace(1)* %val3)]
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to label %right.relocs unwind label %exceptional_return.right
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right.relocs:
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%val2.relocated_right = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(token %sp2, i32 0, i32 0)
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%val3.relocated = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(token %sp2, i32 1, i32 1)
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br label %normal_return
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normal_return:
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%a1 = phi i64 addrspace(1)* [%val1.relocated, %left.relocs], [%val3.relocated, %right.relocs]
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%a2 = phi i64 addrspace(1)* [%val2.relocated_left, %left.relocs], [%val2.relocated_right, %right.relocs]
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%ret = select i1 %cond, i64 addrspace(1)* %a1, i64 addrspace(1)* %a2
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ret i64 addrspace(1)* %ret
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exceptional_return.left:
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%landing_pad = landingpad token
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cleanup
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%val1.relocated2 = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(token %landing_pad, i32 0, i32 0)
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ret i64 addrspace(1)* %val1.relocated2
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exceptional_return.right:
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%landing_pad1 = landingpad token
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cleanup
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%val2.relocated3 = call coldcc i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(token %landing_pad1, i32 0, i32 0)
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ret i64 addrspace(1)* %val2.relocated3
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}
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define void @test_duplicate_ir_values() gc "statepoint-example" personality i32* ()* @personality_function {
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; CHECK-LABEL: name: test_duplicate_ir_values
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; CHECK: bb.0.entry:
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; CHECK: renamable $rax = MOV64rm undef renamable $rax, 1, $noreg, 0, $noreg :: (load 8 from `i8 addrspace(1)* addrspace(1)* undef`, addrspace 1)
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; CHECK: MOV64mr %stack.0, 1, $noreg, 0, $noreg, killed renamable $rax :: (store 8 into %stack.0)
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; CHECK: STATEPOINT 1, 16, 5, undef renamable $rax, undef $edi, undef $rsi, undef $edx, undef $ecx, undef $r8d, 2, 0, 2, 0, 2, 0, 2, 1, 1, 8, %stack.0, 0, 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp, implicit-def dead $eax :: (volatile load store 8 on %stack.0)
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; CHECK: JMP_1 %bb.1
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; CHECK: bb.1.normal_continue:
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; CHECK: $edi = MOV32ri 10
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; CHECK: STATEPOINT 2882400000, 0, 1, target-flags(x86-plt) @__llvm_deoptimize, killed $edi, 2, 0, 2, 2, 2, 2, 1, 8, %stack.0, 0, 1, 8, %stack.0, 0, 2, 0, 2, 0, 2, 0, csr_64, implicit-def $rsp, implicit-def $ssp
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; CHECK: bb.2.exceptional_return (landing-pad):
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; CHECK: $edi = MOV32ri -271
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; CHECK: STATEPOINT 2882400000, 0, 1, target-flags(x86-plt) @__llvm_deoptimize, killed $edi, 2, 0, 2, 0, 2, 1, 1, 8, %stack.0, 0, 2, 0, 2, 0, 2, 0, csr_64, implicit-def $rsp, implicit-def $ssp
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entry:
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%val1 = load i8 addrspace(1)*, i8 addrspace(1)* addrspace(1)* undef, align 8
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%val2 = load i8 addrspace(1)*, i8 addrspace(1)* addrspace(1)* undef, align 8
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%statepoint_token1 = invoke token (i64, i32, i32 (i32, i8 addrspace(1)*, i32, i32, i32)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i32i32p1i8i32i32i32f(i64 1, i32 16, i32 (i32, i8 addrspace(1)*, i32, i32, i32)* nonnull @foo, i32 5, i32 0, i32 undef, i8 addrspace(1)* undef, i32 undef, i32 undef, i32 undef, i32 0, i32 0) [ "deopt"(), "gc-live"(i8 addrspace(1)* %val1, i8 addrspace(1)* %val2) ]
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to label %normal_continue unwind label %exceptional_return
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normal_continue: ; preds = %entry
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%val1.relocated1 = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %statepoint_token1, i32 0, i32 0) ; (%val1, %val1)
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%val2.relocated1 = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %statepoint_token1, i32 1, i32 1) ; (%val2, %val2)
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%safepoint_token2 = call token (i64, i32, void (i32)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 2882400000, i32 0, void (i32)* nonnull @__llvm_deoptimize, i32 1, i32 2, i32 10, i32 0, i32 0) [ "deopt"(i8 addrspace(1)* %val1.relocated1, i8 addrspace(1)* %val2.relocated1), "gc-live"() ]
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unreachable
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exceptional_return: ; preds = %entry
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%lpad_token11090 = landingpad token
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cleanup
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%val2.relocated2 = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %lpad_token11090, i32 1, i32 1) ; (%val2, %val2)
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%safepoint_token3 = call token (i64, i32, void (i32)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 2882400000, i32 0, void (i32)* nonnull @__llvm_deoptimize, i32 1, i32 0, i32 -271, i32 0, i32 0) [ "deopt"(i8 addrspace(1)* %val2.relocated2), "gc-live"() ]
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unreachable
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}
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declare void @__llvm_deoptimize(i32)
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declare token @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 immarg, i32 immarg, void (i32)*, i32 immarg, i32 immarg, ...)
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declare token @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(i64, i32, void (i64 addrspace(1)*)*, i32, i32, ...)
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declare token @llvm.experimental.gc.statepoint.p0f_i32i32p1i8i32i32i32f(i64 immarg, i32 immarg, i32 (i32, i8 addrspace(1)*, i32, i32, i32)*, i32 immarg, i32 immarg, ...)
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declare i64 addrspace(1)* @llvm.experimental.gc.relocate.p1i64(token, i32, i32)
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declare i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token, i32, i32)
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