95 lines
4.1 KiB
YAML
95 lines
4.1 KiB
YAML
# RUN: llc -x mir -run-pass=twoaddressinstruction < %s | FileCheck %s
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# This test checks that TwoAddressInstruction pass does not create redundate COPY
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# instruction for STATEPOINT tied operands.
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--- |
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; ModuleID = 'statepoint-vreg-twoaddr.ll'
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source_filename = "statepoint-vreg-twoaddr.ll"
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-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 i1 @return_i1()
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declare void @consume(i32 addrspace(1)*)
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declare void @consume1(i8 addrspace(1)*, i64 addrspace(1)*)
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define i1 @test_relocate(i32 addrspace(1)* %a) gc "statepoint-example" {
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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 ()* elementtype(i1 ()) @return_i1, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i32 addrspace(1)* %a) ]
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%rel1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0) ; (%a, %a)
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%res1 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token)
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call void @consume(i32 addrspace(1)* %rel1)
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ret i1 %res1
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}
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define void @test_duplicate_gcregs(i8 addrspace(1)* %a) gc "statepoint-example" {
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ret void
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}
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; Function Attrs: nounwind readnone
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declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token, i32 immarg, i32 immarg) #0
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declare token @llvm.experimental.gc.statepoint.p0f_i1f(i64 immarg, i32 immarg, i1 ()*, i32 immarg, i32 immarg, ...)
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; Function Attrs: nounwind readnone
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declare i1 @llvm.experimental.gc.result.i1(token) #0
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attributes #0 = { nounwind readnone }
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...
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---
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name: test_relocate
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alignment: 16
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tracksRegLiveness: true
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registers:
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- { id: 0, class: gr64 }
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- { id: 1, class: gr64 }
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- { id: 2, class: gr8 }
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machineFunctionInfo: {}
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body: |
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bb.0:
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liveins: $rdi
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; CHECK-LABEL: name: test_relocate
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; CHECK: [[VREG1:%[0-9]+]]:gr64 = COPY killed $rdi
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; CHECK-NOT: [[VREG2:%[0-9]+]]:gr64 = COPY [[VREG1]]
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; CHECK: [[VREG1]]:gr64 = STATEPOINT 0, 0, 0, target-flags(x86-plt) @return_i1, 2, 0, 2, 0, 2, 0, 2, 1, killed [[VREG1]](tied-def 0), 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp, implicit-def $al
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; CHECK: $rdi = COPY killed [[VREG1]]
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; CHECK: CALL64pcrel32 target-flags(x86-plt) @consume, csr_64, implicit $rsp, implicit $ssp, implicit killed $rdi, implicit-def $rsp, implicit-def $ssp
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%0:gr64 = COPY killed $rdi
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%1:gr64 = STATEPOINT 0, 0, 0, target-flags(x86-plt) @return_i1, 2, 0, 2, 0, 2, 0, 2, 1, killed %0(tied-def 0), 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp, implicit-def $al
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%2:gr8 = COPY killed $al
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$rdi = COPY killed %1
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CALL64pcrel32 target-flags(x86-plt) @consume, csr_64, implicit $rsp, implicit $ssp, implicit killed $rdi, implicit-def $rsp, implicit-def $ssp
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$al = COPY killed %2
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RET 0, killed $al
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...
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---
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name: test_duplicate_gcregs
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alignment: 16
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tracksRegLiveness: true
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liveins:
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- { reg: '$rdi', virtual-reg: '%0' }
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body: |
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bb.0 (%ir-block.0):
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liveins: $rdi
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; CHECK-LABEL: name: test_duplicate_gcregs
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; CHECK: %1:gr64 = COPY %0
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; CHECK: %2:gr64 = COPY %0
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; CHECK: %1:gr64, %2:gr64 = STATEPOINT 0, 0, 0, target-flags(x86-plt) @return_i1, 2, 0, 2, 0, 2, 0, 2, 2, %1(tied-def 0), %2(tied-def 1), 2, 0, 2, 2, 0, 0, 1, 1, csr_64
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; CHECK: $rdi = COPY killed %1
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; CHECK: $rsi = COPY killed %2
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; CHECK: CALL64pcrel32 target-flags(x86-plt) @consume1, csr_64, implicit $rsp, implicit $ssp, implicit killed $rdi, implicit killed $rsi, implicit-def $rsp, implicit-def $ssp
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; CHECK: RET 0
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%0:gr64 = COPY killed $rdi
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%1:gr64, %2:gr64 = STATEPOINT 0, 0, 0, target-flags(x86-plt) @return_i1, 2, 0, 2, 0, 2, 0, 2, 2, killed %0(tied-def 0), killed %0(tied-def 1), 2, 0, 2, 2, 0, 0, 1, 1, csr_64, implicit-def $rsp, implicit-def $ssp, implicit-def dead $al
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$rdi = COPY killed %1
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$rsi = COPY killed %2
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CALL64pcrel32 target-flags(x86-plt) @consume1, csr_64, implicit $rsp, implicit $ssp, implicit killed $rdi, implicit killed $rsi, implicit-def $rsp, implicit-def $ssp
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RET 0
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...
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