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