derek.holloway
7502bf64a4
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44 lines
2.5 KiB
LLVM
44 lines
2.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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; RUN: llc -mtriple=sparcv9-unknown-linux -verify-machineinstrs -stop-after=finalize-isel < %s | FileCheck %s
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; Check that the fp128 load/store is correctly split.
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; The pointer metadata for the upper/lower halves of the load/store should be in
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; sync with the OP address.
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define fp128 @testcase(fp128 %0) {
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; CHECK-LABEL: name: testcase
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; CHECK: bb.0.Entry:
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; CHECK-NEXT: liveins: $q0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[COPY:%[0-9]+]]:qfpregs = COPY $q0
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; CHECK-NEXT: [[COPY1:%[0-9]+]]:dfpregs = COPY [[COPY]].sub_odd64
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; CHECK-NEXT: [[ADDri:%[0-9]+]]:i64regs = ADDri %stack.0, 0
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; CHECK-NEXT: %3:i64regs = disjoint ORri killed [[ADDri]], 8
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; CHECK-NEXT: STDFrr %3, $g0, killed [[COPY1]] :: (store (s64) into %stack.0 + 8)
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; CHECK-NEXT: [[COPY2:%[0-9]+]]:dfpregs = COPY [[COPY]].sub_even64
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; CHECK-NEXT: STDFri %stack.0, 0, killed [[COPY2]] :: (store (s64) into %stack.0, align 16)
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; CHECK-NEXT: [[LDXrr:%[0-9]+]]:i64regs = LDXrr %3, $g0 :: (load (s64) from %stack.0 + 8)
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; CHECK-NEXT: [[LDXri:%[0-9]+]]:i64regs = LDXri %stack.0, 0 :: (load (s64) from %stack.0, align 16)
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; CHECK-NEXT: [[ADDri1:%[0-9]+]]:i64regs = ADDri %stack.1, 0
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; CHECK-NEXT: %8:i64regs = disjoint ORri killed [[ADDri1]], 8
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; CHECK-NEXT: [[ADDri2:%[0-9]+]]:i64regs = ADDri [[LDXrr]], -1
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; CHECK-NEXT: STXrr %8, $g0, killed [[ADDri2]] :: (store (s64) into %stack.1 + 8, basealign 16)
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; CHECK-NEXT: [[COPY3:%[0-9]+]]:intregs = COPY $g0
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; CHECK-NEXT: [[MOVRri:%[0-9]+]]:intregs = MOVRri [[LDXrr]], 1, [[COPY3]], 49
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; CHECK-NEXT: [[SRLri:%[0-9]+]]:i64regs = SRLri killed [[MOVRri]], 0
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; CHECK-NEXT: [[SUBrr:%[0-9]+]]:i64regs = SUBrr killed [[LDXri]], killed [[SRLri]]
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; CHECK-NEXT: STXri %stack.1, 0, killed [[SUBrr]] :: (store (s64) into %stack.1, align 16)
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; CHECK-NEXT: [[LDDFri:%[0-9]+]]:dfpregs = LDDFri %stack.1, 0 :: (load (s64) from %stack.1, align 16)
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; CHECK-NEXT: [[DEF:%[0-9]+]]:qfpregs = IMPLICIT_DEF
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; CHECK-NEXT: [[INSERT_SUBREG:%[0-9]+]]:qfpregs = INSERT_SUBREG [[DEF]], killed [[LDDFri]], %subreg.sub_even64
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; CHECK-NEXT: [[LDDFrr:%[0-9]+]]:dfpregs = LDDFrr %8, $g0 :: (load (s64) from %stack.1 + 8)
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; CHECK-NEXT: [[INSERT_SUBREG1:%[0-9]+]]:qfpregs = INSERT_SUBREG [[INSERT_SUBREG]], killed [[LDDFrr]], %subreg.sub_odd64
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; CHECK-NEXT: $q0 = COPY [[INSERT_SUBREG1]]
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; CHECK-NEXT: RETL 8, implicit $q0
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Entry:
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%1 = bitcast fp128 %0 to i128
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%2 = add i128 %1, -1
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%3 = bitcast i128 %2 to fp128
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ret fp128 %3
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}
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