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140 lines
4.2 KiB
140 lines
4.2 KiB
4 months ago
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# RUN: llc -O0 -mtriple arm-- -mattr=+vfp3,-neonfp -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,VFP3
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# RUN: llc -O0 -mtriple thumb-- -mattr=+v6t2,+vfp3,-neonfp -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,VFP3
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# RUN: llc -O0 -mtriple arm-- -mattr=+vfp2,-neonfp -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,VFP2
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# RUN: llc -O0 -mtriple thumb-- -mattr=+v6t2,+vfp2,-neonfp -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,VFP2
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--- |
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define void @test_fpconst_zero_s32() { ret void }
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define void @test_fpconst_zero_s64() { ret void }
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define void @test_fpconst_8bit_s32() { ret void }
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define void @test_fpconst_8bit_s64() { ret void }
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...
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---
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name: test_fpconst_zero_s32
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# CHECK-LABEL: name: test_fpconst_zero_s32
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legalized: true
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regBankSelected: true
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selected: false
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# CHECK: selected: true
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registers:
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- { id: 0, class: gprb }
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- { id: 1, class: fprb }
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# CHECK: constants:
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# CHECK-NEXT: id: 0
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# CHECK-NEXT: value: 'float 0.000000e+00'
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# CHECK-NEXT: alignment: 4
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# CHECK-NEXT: isTargetSpecific: false
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body: |
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bb.0:
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liveins: $r0
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%0(p0) = COPY $r0
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; CHECK: [[PTR:%[0-9]+]]:gpr = COPY $r0
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%1(s32) = G_FCONSTANT float 0.0
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; CHECK: [[VREG:%[0-9]+]]:spr = VLDRS %const.0, 0, 14 /* CC::al */, $noreg :: (load 4 from constant-pool)
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G_STORE %1(s32), %0 :: (store 4)
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; CHECK: VSTRS [[VREG]], [[PTR]], 0, 14 /* CC::al */, $noreg
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BX_RET 14, $noreg
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; CHECK: BX_RET 14 /* CC::al */, $noreg
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...
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---
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name: test_fpconst_zero_s64
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# CHECK-LABEL: name: test_fpconst_zero_s64
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legalized: true
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regBankSelected: true
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selected: false
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# CHECK: selected: true
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registers:
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- { id: 0, class: gprb }
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- { id: 1, class: fprb }
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# CHECK: constants:
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# CHECK-NEXT: id: 0
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# CHECK-NEXT: value: 'double 0.000000e+00'
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# CHECK-NEXT: alignment: 8
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# CHECK-NEXT: isTargetSpecific: false
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body: |
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bb.0:
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liveins: $r0
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%0(p0) = COPY $r0
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; CHECK: [[PTR:%[0-9]+]]:gpr = COPY $r0
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%1(s64) = G_FCONSTANT double 0.0
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; CHECK: [[VREG:%[0-9]+]]:dpr = VLDRD %const.0, 0, 14 /* CC::al */, $noreg :: (load 8 from constant-pool)
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G_STORE %1(s64), %0 :: (store 8)
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; CHECK: VSTRD [[VREG]], [[PTR]], 0, 14 /* CC::al */, $noreg
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BX_RET 14, $noreg
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; CHECK: BX_RET 14 /* CC::al */, $noreg
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...
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---
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name: test_fpconst_8bit_s32
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# CHECK-LABEL: name: test_fpconst_8bit_s32
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legalized: true
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regBankSelected: true
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selected: false
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# CHECK: selected: true
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registers:
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- { id: 0, class: gprb }
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- { id: 1, class: fprb }
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# VFP3: constants: []
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# VFP2: constants:
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# VFP2-NEXT: id: 0
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# VFP2-NEXT: value: 'float -2.000000e+00'
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# VFP2-NEXT: alignment: 4
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# VFP2-NEXT: isTargetSpecific: false
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body: |
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bb.0:
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liveins: $r0
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%0(p0) = COPY $r0
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; CHECK: [[PTR:%[0-9]+]]:gpr = COPY $r0
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%1(s32) = G_FCONSTANT float -2.0
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; VFP3: [[VREG:%[0-9]+]]:spr = FCONSTS 128, 14 /* CC::al */, $noreg
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; VFP2: [[VREG:%[0-9]+]]:spr = VLDRS %const.0, 0, 14 /* CC::al */, $noreg :: (load 4 from constant-pool)
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G_STORE %1(s32), %0 :: (store 4)
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; CHECK: VSTRS [[VREG]], [[PTR]], 0, 14 /* CC::al */, $noreg
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BX_RET 14, $noreg
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; CHECK: BX_RET 14 /* CC::al */, $noreg
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...
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---
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name: test_fpconst_8bit_s64
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# CHECK-LABEL: name: test_fpconst_8bit_s64
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legalized: true
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regBankSelected: true
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selected: false
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# CHECK: selected: true
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registers:
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- { id: 0, class: gprb }
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- { id: 1, class: fprb }
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# VFP3: constants: []
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# VFP2: constants:
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# VFP2-NEXT: id: 0
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# VFP2-NEXT: value: double 5.000000e-01
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# VFP2-NEXT: alignment: 8
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# VFP2-NEXT: isTargetSpecific: false
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body: |
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bb.0:
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liveins: $r0
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%0(p0) = COPY $r0
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; CHECK: [[PTR:%[0-9]+]]:gpr = COPY $r0
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%1(s64) = G_FCONSTANT double 5.0e-1
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; VFP3: [[VREG:%[0-9]+]]:dpr = FCONSTD 96, 14 /* CC::al */, $noreg
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; VFP2: [[VREG:%[0-9]+]]:dpr = VLDRD %const.0, 0, 14 /* CC::al */, $noreg :: (load 8 from constant-pool)
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G_STORE %1(s64), %0 :: (store 8)
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; CHECK: VSTRD [[VREG]], [[PTR]], 0, 14 /* CC::al */, $noreg
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BX_RET 14, $noreg
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; CHECK: BX_RET 14 /* CC::al */, $noreg
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...
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