| ;; Check that shadow call stack doesn't interfere with save/restore |
| |
| ; RUN: llc -mtriple=riscv32 < %s | FileCheck %s -check-prefix=RV32I |
| ; RUN: llc -mtriple=riscv64 < %s | FileCheck %s -check-prefix=RV64I |
| ; RUN: llc -mtriple=riscv32 -mattr=+save-restore < %s | FileCheck %s -check-prefix=RV32I-SR |
| ; RUN: llc -mtriple=riscv64 -mattr=+save-restore < %s | FileCheck %s -check-prefix=RV64I-SR |
| ; RUN: llc -mtriple=riscv32 -mattr=+f,+save-restore -target-abi=ilp32f < %s | FileCheck %s -check-prefix=RV32I-FP-SR |
| ; RUN: llc -mtriple=riscv64 -mattr=+f,+d,+save-restore -target-abi=lp64d < %s | FileCheck %s -check-prefix=RV64I-FP-SR |
| |
| @var2 = global [30 x i32] zeroinitializer |
| |
| define void @callee_scs() nounwind shadowcallstack { |
| ; RV32I-LABEL: callee_scs: |
| ; RV32I-NOT: call t0, __riscv_save |
| ; RV32I-NOT: tail __riscv_restore |
| ; |
| ; RV64I-LABEL: callee_scs: |
| ; RV64I-NOT: call t0, __riscv_save |
| ; RV64I-NOT: tail __riscv_restore |
| ; |
| ; RV32I-SR-LABEL: callee_scs: |
| ; RV32I-SR: call t0, __riscv_save_12 |
| ; RV32I-SR: tail __riscv_restore_12 |
| ; |
| ; RV64I-SR-LABEL: callee_scs: |
| ; RV64I-SR: call t0, __riscv_save_12 |
| ; RV64I-SR: tail __riscv_restore_12 |
| ; |
| ; RV32I-FP-SR-LABEL: callee_scs: |
| ; RV32I-FP-SR: call t0, __riscv_save_12 |
| ; RV32I-FP-SR: tail __riscv_restore_12 |
| ; |
| ; RV64I-FP-SR-LABEL: callee_scs: |
| ; RV64I-FP-SR: call t0, __riscv_save_12 |
| ; RV64I-FP-SR: tail __riscv_restore_12 |
| %val = load [30 x i32], ptr @var2 |
| store volatile [30 x i32] %val, ptr @var2 |
| ret void |
| } |
