derek.holloway
7502bf64a4
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89 lines
5.8 KiB
LLVM
89 lines
5.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 6
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; RUN: llc < %s -mtriple=x86_64-linux -stop-after=early-machinelicm -o - | FileCheck %s
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; FIXME: MachineLICM does not compute register pressure correctly and we end up
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; emitting too many ADD64ri32s. More details: llvm.org/PR23143
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%struct.A = type { i32, i32, i32, i32, i32, i32, i32 }
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define void @test(i1 %b, ptr %a) nounwind {
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; CHECK-LABEL: name: test
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; CHECK: bb.0.entry:
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; CHECK-NEXT: successors: %bb.1(0x80000000)
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; CHECK-NEXT: liveins: $edi, $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]+]]:gr32 = COPY $edi
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; CHECK-NEXT: [[COPY2:%[0-9]+]]:gr8 = COPY [[COPY1]].sub_8bit
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; CHECK-NEXT: [[ADD64ri32_:%[0-9]+]]:gr64 = nuw ADD64ri32 [[COPY]], 4, implicit-def dead $eflags
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; CHECK-NEXT: [[ADD64ri32_1:%[0-9]+]]:gr64 = nuw ADD64ri32 [[COPY]], 8, implicit-def dead $eflags
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; CHECK-NEXT: [[ADD64ri32_2:%[0-9]+]]:gr64 = nuw ADD64ri32 [[COPY]], 12, implicit-def dead $eflags
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; CHECK-NEXT: [[ADD64ri32_3:%[0-9]+]]:gr64 = nuw ADD64ri32 [[COPY]], 16, implicit-def dead $eflags
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; CHECK-NEXT: [[ADD64ri32_4:%[0-9]+]]:gr64 = nuw ADD64ri32 [[COPY]], 20, implicit-def dead $eflags
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; CHECK-NEXT: [[ADD64ri32_5:%[0-9]+]]:gr64 = nuw ADD64ri32 [[COPY]], 24, implicit-def dead $eflags
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1.loop-body:
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; CHECK-NEXT: successors: %bb.1(0x7c000000), %bb.2(0x04000000)
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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: $rdi = COPY [[COPY]]
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; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @assign, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, 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: 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: $rdi = COPY [[ADD64ri32_]]
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; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @assign, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, 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: 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: $rdi = COPY [[ADD64ri32_1]]
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; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @assign, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, 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: 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: $rdi = COPY [[ADD64ri32_2]]
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; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @assign, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, 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: 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: $rdi = COPY [[ADD64ri32_3]]
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; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @assign, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, 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: 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: $rdi = COPY [[ADD64ri32_4]]
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; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @assign, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, 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: 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: $rdi = COPY [[ADD64ri32_5]]
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; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @assign, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, 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: TEST8ri [[COPY2]], 1, implicit-def $eflags
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; CHECK-NEXT: JCC_1 %bb.1, 5, implicit $eflags
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; CHECK-NEXT: JMP_1 %bb.2
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2.loop-exit:
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; CHECK-NEXT: RET 0
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entry:
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br label %loop-header
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loop-header:
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br label %loop-body
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loop-body:
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%0 = getelementptr inbounds %struct.A, ptr %a, i64 0, i32 1
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%1 = getelementptr inbounds %struct.A, ptr %a, i64 0, i32 2
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%2 = getelementptr inbounds %struct.A, ptr %a, i64 0, i32 3
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%3 = getelementptr inbounds %struct.A, ptr %a, i64 0, i32 4
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%4 = getelementptr inbounds %struct.A, ptr %a, i64 0, i32 5
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%5 = getelementptr inbounds %struct.A, ptr %a, i64 0, i32 6
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call void @assign(ptr %a)
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call void @assign(ptr %0)
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call void @assign(ptr %1)
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call void @assign(ptr %2)
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call void @assign(ptr %3)
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call void @assign(ptr %4)
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call void @assign(ptr %5)
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br i1 %b, label %loop-body, label %loop-exit
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loop-exit:
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ret void
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}
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declare void @assign(ptr)
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