53 lines
1.8 KiB
LLVM
53 lines
1.8 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv64 < %s | FileCheck %s
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; RUN: llc -mtriple=riscv64 --relocation-model=pic < %s | FileCheck %s
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define ptr @f2(ptr %x0, ptr %x1) {
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; CHECK-LABEL: f2:
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; CHECK: # %bb.0:
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; CHECK-NEXT: addi sp, sp, -16
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; CHECK-NEXT: .cfi_offset ra, -8
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; CHECK-NEXT: mv t0, a1
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; CHECK-NEXT: call __hwasan_check_x10_2_short
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; CHECK-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; CHECK-NEXT: addi sp, sp, 16
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; CHECK-NEXT: ret
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call void @llvm.hwasan.check.memaccess.shortgranules(ptr %x1, ptr %x0, i32 2)
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ret ptr %x0
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}
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declare void @llvm.hwasan.check.memaccess.shortgranules(ptr, ptr, i32)
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; CHECK: .section .text.hot,"axG",@progbits,__hwasan_check_x10_2_short,comdat
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; CHECK-NEXT: .type __hwasan_check_x10_2_short,@function
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; CHECK-NEXT: .weak __hwasan_check_x10_2_short
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; CHECK-NEXT: .hidden __hwasan_check_x10_2_short
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; CHECK-NEXT: __hwasan_check_x10_2_short:
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; CHECK-NEXT: slli t1, a0, 8
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; CHECK-NEXT: srli t1, t1, 12
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; CHECK-NEXT: add t1, t0, t1
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; CHECK-NEXT: lbu t1, 0(t1)
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; CHECK-NEXT: srli t2, a0, 56
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; CHECK-NEXT: bne t2, t1, .Ltmp0
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; CHECK-NEXT: .Ltmp1:
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; CHECK-NEXT: ret
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; CHECK-NEXT: .Ltmp0:
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; CHECK-NEXT: li t3, 16
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; CHECK-NEXT: bgeu t1, t3, .Ltmp2
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; CHECK-NEXT: andi t3, a0, 15
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; CHECK-NEXT: addi t3, t3, 3
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; CHECK-NEXT: bge t3, t1, .Ltmp2
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; CHECK-NEXT: ori t1, a0, 15
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; CHECK-NEXT: lbu t1, 0(t1)
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; CHECK-NEXT: beq t1, t2, .Ltmp1
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; CHECK-NEXT: .Ltmp2:
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; CHECK-NEXT: addi sp, sp, -256
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; CHECK-NEXT: sd a0, 80(sp)
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; CHECK-NEXT: sd a1, 88(sp)
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; CHECK-NEXT: sd s0, 64(sp)
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; CHECK-NEXT: sd ra, 8(sp)
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; CHECK-NEXT: li a1, 2
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; CHECK-NEXT: call __hwasan_tag_mismatch_v2
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