| ; RUN: llc -mtriple=riscv32 -mattr=+d -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck %s -check-prefix=ILP32-LP64 |
| ; RUN: llc -mtriple=riscv64 -mattr=+d -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck %s -check-prefix=ILP32-LP64 |
| ; RUN: llc -mtriple=riscv32 -mattr=+d -target-abi ilp32d -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck %s -check-prefix=ILP32D-LP64D |
| ; RUN: llc -mtriple=riscv64 -mattr=+d -target-abi lp64d -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck %s -check-prefix=ILP32D-LP64D |
| |
| @var = global [32 x double] zeroinitializer |
| |
| ; All floating point registers are temporaries for the ilp32 and lp64 ABIs. |
| ; fs0-fs11 are callee-saved for the ilp32f, ilp32d, lp64f, and lp64d ABIs. |
| |
| ; This function tests that RISCVRegisterInfo::getCalleeSavedRegs returns |
| ; something appropriate. |
| |
| define void @callee() { |
| ; ILP32-LP64-LABEL: callee: |
| ; ILP32-LP64: # %bb.0: |
| ; ILP32-LP64-NEXT: lui a0, %hi(var) |
| ; ILP32-LP64-NEXT: addi a1, a0, %lo(var) |
| ; ILP32-LP64-NEXT: fld ft0, %lo(var)(a0) |
| ; ILP32-LP64-NEXT: fld ft1, 8(a1) |
| ; ILP32-LP64-NEXT: fld ft2, 16(a1) |
| ; ILP32-LP64-NEXT: fld ft3, 24(a1) |
| ; ILP32-LP64-NEXT: fld ft4, 32(a1) |
| ; ILP32-LP64-NEXT: fld ft5, 40(a1) |
| ; ILP32-LP64-NEXT: fld ft6, 48(a1) |
| ; ILP32-LP64-NEXT: fld ft7, 56(a1) |
| ; ILP32-LP64-NEXT: fld fa0, 64(a1) |
| ; ILP32-LP64-NEXT: fld fa1, 72(a1) |
| ; ILP32-LP64-NEXT: fld fa2, 80(a1) |
| ; ILP32-LP64-NEXT: fld fa3, 88(a1) |
| ; ILP32-LP64-NEXT: fld fa4, 96(a1) |
| ; ILP32-LP64-NEXT: fld fa5, 104(a1) |
| ; ILP32-LP64-NEXT: fld fa6, 112(a1) |
| ; ILP32-LP64-NEXT: fld fa7, 120(a1) |
| ; ILP32-LP64-NEXT: fld ft8, 128(a1) |
| ; ILP32-LP64-NEXT: fld ft9, 136(a1) |
| ; ILP32-LP64-NEXT: fld ft10, 144(a1) |
| ; ILP32-LP64-NEXT: fld ft11, 152(a1) |
| ; ILP32-LP64-NEXT: fld fs0, 160(a1) |
| ; ILP32-LP64-NEXT: fld fs1, 168(a1) |
| ; ILP32-LP64-NEXT: fld fs2, 176(a1) |
| ; ILP32-LP64-NEXT: fld fs3, 184(a1) |
| ; ILP32-LP64-NEXT: fld fs4, 192(a1) |
| ; ILP32-LP64-NEXT: fld fs5, 200(a1) |
| ; ILP32-LP64-NEXT: fld fs6, 208(a1) |
| ; ILP32-LP64-NEXT: fld fs7, 216(a1) |
| ; ILP32-LP64-NEXT: fld fs8, 224(a1) |
| ; ILP32-LP64-NEXT: fld fs9, 232(a1) |
| ; ILP32-LP64-NEXT: fld fs10, 240(a1) |
| ; ILP32-LP64-NEXT: fld fs11, 248(a1) |
| ; ILP32-LP64-NEXT: fsd fs11, 248(a1) |
| ; ILP32-LP64-NEXT: fsd fs10, 240(a1) |
| ; ILP32-LP64-NEXT: fsd fs9, 232(a1) |
| ; ILP32-LP64-NEXT: fsd fs8, 224(a1) |
| ; ILP32-LP64-NEXT: fsd fs7, 216(a1) |
| ; ILP32-LP64-NEXT: fsd fs6, 208(a1) |
| ; ILP32-LP64-NEXT: fsd fs5, 200(a1) |
| ; ILP32-LP64-NEXT: fsd fs4, 192(a1) |
| ; ILP32-LP64-NEXT: fsd fs3, 184(a1) |
| ; ILP32-LP64-NEXT: fsd fs2, 176(a1) |
| ; ILP32-LP64-NEXT: fsd fs1, 168(a1) |
| ; ILP32-LP64-NEXT: fsd fs0, 160(a1) |
| ; ILP32-LP64-NEXT: fsd ft11, 152(a1) |
| ; ILP32-LP64-NEXT: fsd ft10, 144(a1) |
| ; ILP32-LP64-NEXT: fsd ft9, 136(a1) |
| ; ILP32-LP64-NEXT: fsd ft8, 128(a1) |
| ; ILP32-LP64-NEXT: fsd fa7, 120(a1) |
| ; ILP32-LP64-NEXT: fsd fa6, 112(a1) |
| ; ILP32-LP64-NEXT: fsd fa5, 104(a1) |
| ; ILP32-LP64-NEXT: fsd fa4, 96(a1) |
| ; ILP32-LP64-NEXT: fsd fa3, 88(a1) |
| ; ILP32-LP64-NEXT: fsd fa2, 80(a1) |
| ; ILP32-LP64-NEXT: fsd fa1, 72(a1) |
| ; ILP32-LP64-NEXT: fsd fa0, 64(a1) |
| ; ILP32-LP64-NEXT: fsd ft7, 56(a1) |
| ; ILP32-LP64-NEXT: fsd ft6, 48(a1) |
| ; ILP32-LP64-NEXT: fsd ft5, 40(a1) |
| ; ILP32-LP64-NEXT: fsd ft4, 32(a1) |
| ; ILP32-LP64-NEXT: fsd ft3, 24(a1) |
| ; ILP32-LP64-NEXT: fsd ft2, 16(a1) |
| ; ILP32-LP64-NEXT: fsd ft1, 8(a1) |
| ; ILP32-LP64-NEXT: fsd ft0, %lo(var)(a0) |
| ; ILP32-LP64-NEXT: ret |
| ; |
| ; ILP32D-LP64D-LABEL: callee: |
| ; ILP32D-LP64D: # %bb.0: |
| ; ILP32D-LP64D-NEXT: addi sp, sp, -96 |
| ; ILP32D-LP64D-NEXT: fsd fs0, 88(sp) |
| ; ILP32D-LP64D-NEXT: fsd fs1, 80(sp) |
| ; ILP32D-LP64D-NEXT: fsd fs2, 72(sp) |
| ; ILP32D-LP64D-NEXT: fsd fs3, 64(sp) |
| ; ILP32D-LP64D-NEXT: fsd fs4, 56(sp) |
| ; ILP32D-LP64D-NEXT: fsd fs5, 48(sp) |
| ; ILP32D-LP64D-NEXT: fsd fs6, 40(sp) |
| ; ILP32D-LP64D-NEXT: fsd fs7, 32(sp) |
| ; ILP32D-LP64D-NEXT: fsd fs8, 24(sp) |
| ; ILP32D-LP64D-NEXT: fsd fs9, 16(sp) |
| ; ILP32D-LP64D-NEXT: fsd fs10, 8(sp) |
| ; ILP32D-LP64D-NEXT: fsd fs11, 0(sp) |
| ; ILP32D-LP64D-NEXT: lui a0, %hi(var) |
| ; ILP32D-LP64D-NEXT: addi a1, a0, %lo(var) |
| %val = load [32 x double], [32 x double]* @var |
| store volatile [32 x double] %val, [32 x double]* @var |
| ret void |
| } |
| |
| ; This function tests that RISCVRegisterInfo::getCallPreservedMask returns |
| ; something appropriate. |
| ; |
| ; For the soft float ABIs, no floating point registers are preserved, and |
| ; codegen will use only ft0 in the body of caller. For the 'f' and 'd ABIs, |
| ; fs0-fs11 are preserved across calls. |
| |
| define void @caller() { |
| ; ILP32-LP64-LABEL: caller: |
| ; ILP32-LP64-NOT: ft{{[1-9][0-9]*}} |
| ; ILP32-LP64-NOT: fs{{[0-9]+}} |
| ; ILP32-LP64-NOT: fa{{[0-9]+}} |
| ; ILP32-LP64: call callee |
| ; ILP32-LP64-NOT: ft{{[1-9][0-9]*}} |
| ; ILP32-LP64-NOT: fs{{[0-9]+}} |
| ; ILP32-LP64-NOT: fa{{[0-9]+}} |
| ; ILP32-LP64: ret |
| ; |
| ; ILP32F-LP64D-LABEL: caller: |
| ; ILP32D-LP64D: fld fs8, 160(s1) |
| ; ILP32D-LP64D-NEXT: fld fs9, 168(s1) |
| ; ILP32D-LP64D-NEXT: fld fs10, 176(s1) |
| ; ILP32D-LP64D-NEXT: fld fs11, 184(s1) |
| ; ILP32D-LP64D-NEXT: fld fs0, 192(s1) |
| ; ILP32D-LP64D-NEXT: fld fs1, 200(s1) |
| ; ILP32D-LP64D-NEXT: fld fs2, 208(s1) |
| ; ILP32D-LP64D-NEXT: fld fs3, 216(s1) |
| ; ILP32D-LP64D-NEXT: fld fs4, 224(s1) |
| ; ILP32D-LP64D-NEXT: fld fs5, 232(s1) |
| ; ILP32D-LP64D-NEXT: fld fs6, 240(s1) |
| ; ILP32D-LP64D-NEXT: fld fs7, 248(s1) |
| ; ILP32D-LP64D-NEXT: call callee |
| ; ILP32D-LP64D-NEXT: fsd fs7, 248(s1) |
| ; ILP32D-LP64D-NEXT: fsd fs6, 240(s1) |
| ; ILP32D-LP64D-NEXT: fsd fs5, 232(s1) |
| ; ILP32D-LP64D-NEXT: fsd fs4, 224(s1) |
| ; ILP32D-LP64D-NEXT: fsd fs3, 216(s1) |
| ; ILP32D-LP64D-NEXT: fsd fs2, 208(s1) |
| ; ILP32D-LP64D-NEXT: fsd fs1, 200(s1) |
| ; ILP32D-LP64D-NEXT: fsd fs0, 192(s1) |
| ; ILP32D-LP64D-NEXT: fsd fs11, 184(s1) |
| ; ILP32D-LP64D-NEXT: fsd fs10, 176(s1) |
| ; ILP32D-LP64D-NEXT: fsd fs9, 168(s1) |
| ; ILP32D-LP64D-NEXT: fsd fs8, 160(s1) |
| ; ILP32D-LP64D-NEXT: fld ft0, {{[0-9]+}}(sp) |
| %val = load [32 x double], [32 x double]* @var |
| call void @callee() |
| store volatile [32 x double] %val, [32 x double]* @var |
| ret void |
| } |