diff --git a/llvm/test/CodeGen/RISCV/rvv/wrong-stack-offset-for-rvv-object.mir b/llvm/test/CodeGen/RISCV/rvv/wrong-stack-offset-for-rvv-object.mir new file mode 100644 --- /dev/null +++ b/llvm/test/CodeGen/RISCV/rvv/wrong-stack-offset-for-rvv-object.mir @@ -0,0 +1,220 @@ +# RUN: llc -mtriple riscv64 -mattr=+m,+v -run-pass=prologepilog \ +# RUN: -riscv-v-vector-bits-min=512 -o - %s | FileCheck %s +# +# Stack layout of this program +# |--------------------------| -- <-- Incoming SP +# | a7 (Vaarg) | +# | ------------------------ | -- <-- New SP + vlenb + 56 +# | a6 (Vaarg) | +# | ------------------------ | -- <-- New SP + vlenb + 48 +# | ra (Callee-saved reg) | +# | ------------------------ | -- <-- New SP + vlenb + 40 +# | s0 (Callee-saved reg) | +# | ------------------------ | -- <-- New SP + vlenb + 32 +# | s1 (Callee-saved reg) | +# | ------------------------ | -- <-- New SP + vlenb + 24 +# | v8 (RVV objects) | +# | ------------------------ | -- <-- New SP + 24 +# | buf1 | +# |--------------------------| -- <-- New SP + 16 +# | Stack ID 5 | +# |--------------------------| -- <-- New SP + 8 +# | Stack ID 6 | +# |--------------------------| -- <-- New SP + +--- | + ; ModuleID = 'wrong-stack-offset-for-rvv-object.ll' + source_filename = "wrong-stack-offset-for-rvv-object.ll" + target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n64-S128" + target triple = "riscv64" + + %struct = type { i32 } + + define void @asm_fprintf(%struct %file, i8* %p, [10 x i8]* %buf, i8* %arrayidx3, <2 x i8>* %0, i8* %1, ...) #0 { + entry: + %buf1 = alloca [10 x i8], i32 0, align 8 + %arrayidx32 = getelementptr inbounds [10 x i8], [10 x i8]* %buf, i64 0, i64 1 + br label %while.cond + + while.cond: ; preds = %while.cond, %sw.bb, %entry + %incdec.ptr = getelementptr inbounds i8, i8* undef, i64 1 + %2 = load i8, i8* null, align 1 + %3 = zext i8 0 to i64 + %cond = icmp eq i64 %3, 0 + br i1 %cond, label %sw.bb, label %while.cond + + sw.bb: ; preds = %while.cond + %4 = load i8, i8* null, align 1 + store <2 x i8> zeroinitializer, <2 x i8>* %0, align 1 + %call = call i32 (i8*, ...) @fprintf(i8* %p) + br label %while.cond + } + + declare i32 @fprintf(i8*, ...) #0 + + attributes #0 = { "target-features"="+m,+v" } + +... +--- +name: asm_fprintf +alignment: 4 +exposesReturnsTwice: false +legalized: false +regBankSelected: false +selected: false +failedISel: false +tracksRegLiveness: true +hasWinCFI: false +failsVerification: false +tracksDebugUserValues: true +registers: [] +liveins: + - { reg: '$x11', virtual-reg: '' } + - { reg: '$x14', virtual-reg: '' } + - { reg: '$x16', virtual-reg: '' } + - { reg: '$x17', virtual-reg: '' } +frameInfo: + isFrameAddressTaken: false + isReturnAddressTaken: false + hasStackMap: false + hasPatchPoint: false + stackSize: 0 + offsetAdjustment: 0 + maxAlignment: 8 + adjustsStack: false + hasCalls: true + stackProtector: '' + maxCallFrameSize: 4294967295 + cvBytesOfCalleeSavedRegisters: 0 + hasOpaqueSPAdjustment: false + hasVAStart: false + hasMustTailInVarArgFunc: false + hasTailCall: false + localFrameSize: 0 + savePoint: '' + restorePoint: '' +fixedStack: + - { id: 0, type: default, offset: -8, size: 8, alignment: 8, stack-id: default, + isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true, + debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } + - { id: 1, type: default, offset: -16, size: 8, alignment: 16, stack-id: default, + isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true, + debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } + - { id: 2, type: default, offset: -16, size: 8, alignment: 16, stack-id: default, + isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true, + debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } +stack: + - { id: 0, name: buf1, type: default, offset: 0, size: 1, alignment: 8, + stack-id: default, callee-saved-register: '', callee-saved-restored: true, + debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } + - { id: 1, name: '', type: spill-slot, offset: 0, size: 8, alignment: 8, + stack-id: scalable-vector, callee-saved-register: '', callee-saved-restored: true, + debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } +callSites: [] +debugValueSubstitutions: [] +constants: [] +machineFunctionInfo: + varArgsFrameIndex: -1 + varArgsSaveSize: 16 +body: | + ; CHECK-LABEL: name: asm_fprintf + ; CHECK: stack: + ; CHECK-NEXT: - { id: 0, name: buf1, type: default, offset: -48, size: 1, alignment: 8, + ; CHECK-NEXT: stack-id: default, callee-saved-register: '', callee-saved-restored: true, + ; CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } + ; CHECK-NEXT: - { id: 1, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8, + ; CHECK-NEXT: stack-id: scalable-vector, callee-saved-register: '', callee-saved-restored: true, + ; CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } + ; CHECK-NEXT: - { id: 2, name: '', type: spill-slot, offset: -24, size: 8, alignment: 8, + ; CHECK-NEXT: stack-id: default, callee-saved-register: '$x1', callee-saved-restored: true, + ; CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } + ; CHECK-NEXT: - { id: 3, name: '', type: spill-slot, offset: -32, size: 8, alignment: 8, + ; CHECK-NEXT: stack-id: default, callee-saved-register: '$x8', callee-saved-restored: true, + ; CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } + ; CHECK-NEXT: - { id: 4, name: '', type: spill-slot, offset: -40, size: 8, alignment: 8, + ; CHECK-NEXT: stack-id: default, callee-saved-register: '$x9', callee-saved-restored: true, + ; CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } + ; CHECK-NEXT: - { id: 5, name: '', type: default, offset: -56, size: 8, alignment: 8, + ; CHECK-NEXT: stack-id: default, callee-saved-register: '', callee-saved-restored: true, + ; CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } + ; CHECK-NEXT: - { id: 6, name: '', type: default, offset: -64, size: 8, alignment: 8, + ; CHECK-NEXT: stack-id: default, callee-saved-register: '', callee-saved-restored: true, + ; CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } + ; CHECK: bb.0.entry: + ; CHECK-NEXT: successors: %bb.1(0x80000000) + ; CHECK-NEXT: liveins: $x11, $x14, $x16, $x17, $x1, $x8, $x9 + ; CHECK-NEXT: {{ $}} + ; CHECK-NEXT: $x2 = frame-setup ADDI $x2, -64 + ; CHECK-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 64 + ; CHECK-NEXT: SD killed $x1, $x2, 40 :: (store (s64) into %stack.2) + ; CHECK-NEXT: SD killed $x8, $x2, 32 :: (store (s64) into %stack.3) + ; CHECK-NEXT: SD killed $x9, $x2, 24 :: (store (s64) into %stack.4) + ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $x1, -24 + ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $x8, -32 + ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $x9, -40 + ; CHECK-NEXT: $x10 = frame-setup PseudoReadVLENB + ; CHECK-NEXT: $x2 = frame-setup SUB $x2, killed $x10 + ; CHECK-NEXT: renamable $x8 = COPY $x14 + ; CHECK-NEXT: renamable $x9 = COPY $x11 + ; CHECK-NEXT: $x10 = PseudoReadVLENB + ; CHECK-NEXT: $x10 = ADD $x2, killed $x10 + ; CHECK-NEXT: SD killed renamable $x17, killed $x10, 56 :: (store (s64)) + ; CHECK-NEXT: $x10 = PseudoReadVLENB + ; CHECK-NEXT: $x10 = ADD $x2, killed $x10 + ; CHECK-NEXT: SD killed renamable $x16, killed $x10, 48 :: (store (s64) into %fixed-stack.1, align 16) + ; CHECK-NEXT: dead $x0 = PseudoVSETIVLI 2, 69, implicit-def $vl, implicit-def $vtype + ; CHECK-NEXT: renamable $v8 = PseudoVMV_V_I_MF8 0, 2, 3, implicit $vl, implicit $vtype + ; CHECK-NEXT: $x10 = ADDI $x2, 40 + ; CHECK-NEXT: PseudoVSPILL_M1 killed renamable $v8, killed $x10 :: (store unknown-size into %stack.1, align 8) + ; CHECK-NEXT: {{ $}} + ; CHECK-NEXT: bb.1.while.cond: + ; CHECK-NEXT: successors: %bb.2(0x30000000), %bb.1(0x50000000) + ; CHECK-NEXT: liveins: $x8, $x9 + ; CHECK-NEXT: {{ $}} + ; CHECK-NEXT: BNE $x0, $x0, %bb.1 + ; CHECK-NEXT: PseudoBR %bb.2 + ; CHECK-NEXT: {{ $}} + ; CHECK-NEXT: bb.2.sw.bb: + ; CHECK-NEXT: successors: %bb.1(0x80000000) + ; CHECK-NEXT: liveins: $x8, $x9 + ; CHECK-NEXT: {{ $}} + ; CHECK-NEXT: dead $x0 = PseudoVSETIVLI 2, 69, implicit-def $vl, implicit-def $vtype + ; CHECK-NEXT: $x10 = ADDI $x2, 40 + ; CHECK-NEXT: renamable $v8 = PseudoVRELOAD_M1 killed $x10 :: (load unknown-size from %stack.1, align 8) + ; CHECK-NEXT: PseudoVSE8_V_MF8 killed renamable $v8, renamable $x8, 2, 3, implicit $vl, implicit $vtype :: (store (s16) into %ir.0, align 1) + ; CHECK-NEXT: $x10 = COPY renamable $x9 + ; CHECK-NEXT: PseudoCALL target-flags(riscv-plt) @fprintf, csr_ilp32d_lp64d, implicit-def dead $x1, implicit killed $x10, implicit-def $x2, implicit-def dead $x10 + ; CHECK-NEXT: PseudoBR %bb.1 + bb.0.entry: + successors: %bb.1(0x80000000) + liveins: $x11, $x14, $x16, $x17 + + renamable $x8 = COPY $x14 + renamable $x9 = COPY $x11 + SD killed renamable $x17, %fixed-stack.0, 0 :: (store (s64)) + SD killed renamable $x16, %fixed-stack.1, 0 :: (store (s64) into %fixed-stack.1, align 16) + dead $x0 = PseudoVSETIVLI 2, 69, implicit-def $vl, implicit-def $vtype + renamable $v8 = PseudoVMV_V_I_MF8 0, 2, 3, implicit $vl, implicit $vtype + PseudoVSPILL_M1 killed renamable $v8, %stack.1 :: (store unknown-size into %stack.1, align 8) + + bb.1.while.cond: + successors: %bb.2(0x30000000), %bb.1(0x50000000) + liveins: $x8, $x9 + + BNE $x0, $x0, %bb.1 + PseudoBR %bb.2 + + bb.2.sw.bb: + successors: %bb.1(0x80000000) + liveins: $x8, $x9 + + dead $x0 = PseudoVSETIVLI 2, 69, implicit-def $vl, implicit-def $vtype + renamable $v8 = PseudoVRELOAD_M1 %stack.1 :: (load unknown-size from %stack.1, align 8) + PseudoVSE8_V_MF8 killed renamable $v8, renamable $x8, 2, 3, implicit $vl, implicit $vtype :: (store (s16) into %ir.0, align 1) + ADJCALLSTACKDOWN 0, 0, implicit-def dead $x2, implicit $x2 + $x10 = COPY renamable $x9 + PseudoCALL target-flags(riscv-plt) @fprintf, csr_ilp32d_lp64d, implicit-def dead $x1, implicit killed $x10, implicit-def $x2, implicit-def dead $x10 + ADJCALLSTACKUP 0, 0, implicit-def dead $x2, implicit $x2 + PseudoBR %bb.1 + +...