72 lines
3.3 KiB
LLVM
72 lines
3.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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; RUN: llc -mtriple=x86_64-linux -stop-after=early-tailduplication < %s | FileCheck %s
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; Ensure that we don't duplicate a block with an "INLINEASM_BR" instruction
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; during code gen.
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declare dso_local void @foo()
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define ptr @test1(ptr %arg1, ptr %arg2) {
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; CHECK-LABEL: name: test1
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; CHECK: bb.0.bb:
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; CHECK-NEXT: successors: %bb.1(0x50000000), %bb.2(0x30000000)
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; CHECK-NEXT: liveins: $rdi, $rsi
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[COPY:%[0-9]+]]:gr64 = COPY $rsi
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; CHECK-NEXT: [[COPY1:%[0-9]+]]:gr64 = COPY $rdi
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; CHECK-NEXT: [[MOV64rm:%[0-9]+]]:gr64 = MOV64rm [[COPY1]], 1, $noreg, 0, $noreg :: (load (s64) from %ir.arg1)
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; CHECK-NEXT: [[SUB64rr:%[0-9]+]]:gr64 = SUB64rr [[MOV64rm]], [[COPY]], implicit-def $eflags
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; CHECK-NEXT: JCC_1 %bb.2, 4, implicit $eflags
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; CHECK-NEXT: JMP_1 %bb.1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1.bb100:
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; CHECK-NEXT: successors: %bb.3(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: MOV64mi32 [[COPY1]], 1, $noreg, 0, $noreg, 0 :: (store (s64) into %ir.arg1)
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; CHECK-NEXT: JMP_1 %bb.3
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2.bb106:
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; CHECK-NEXT: successors: %bb.3(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
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; CHECK-NEXT: CALL64pcrel32 @foo, csr_64, implicit $rsp, implicit $ssp, implicit-def $rsp, implicit-def $ssp
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; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.3.bb110:
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; CHECK-NEXT: successors: %bb.5(0x80000000), %bb.4(0x00000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[PHI:%[0-9]+]]:gr64 = PHI [[COPY]], %bb.2, [[MOV64rm]], %bb.1
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; CHECK-NEXT: INLINEASM_BR &"#$0 $1 $2", 9 /* sideeffect mayload attdialect */, 13 /* imm */, 42, 13 /* imm */, 0, 13 /* imm */, %bb.4, 12 /* clobber */, implicit-def early-clobber $df, 12 /* clobber */, implicit-def early-clobber $fpsw, 12 /* clobber */, implicit-def early-clobber $eflags
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; CHECK-NEXT: JMP_1 %bb.5
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.4.bb17.i.i.i (machine-block-address-taken, inlineasm-br-indirect-target):
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; CHECK-NEXT: successors: %bb.5(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.5.kmem_cache_has_cpu_partial.exit:
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; CHECK-NEXT: $rax = COPY [[PHI]]
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; CHECK-NEXT: RET 0, $rax
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bb:
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%i28.i = load ptr, ptr %arg1, align 8
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%if = icmp ne ptr %i28.i, %arg2
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br i1 %if, label %bb100, label %bb106
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bb100: ; preds = %bb
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store ptr null, ptr %arg1, align 8
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br label %bb110
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bb106: ; preds = %bb
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call void @foo()
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br label %bb110
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bb110: ; preds = %bb106, %bb100
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%i10.1 = phi ptr [ %arg2, %bb106 ], [ %i28.i, %bb100 ]
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callbr void asm sideeffect "#$0 $1 $2", "i,i,!i,~{dirflag},~{fpsr},~{flags}"(i32 42, i1 false)
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to label %kmem_cache_has_cpu_partial.exit [label %bb17.i.i.i]
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bb17.i.i.i: ; preds = %bb110
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br label %kmem_cache_has_cpu_partial.exit
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kmem_cache_has_cpu_partial.exit: ; preds = %bb110
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ret ptr %i10.1
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}
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