fb2fa21bd6
It is undefined behavior to call a function with a mismatched calling convention. Rather than crash on this behavior, it should compile. This LLVM defect was identified via the AMD Fuzzing project.
70 lines
2.5 KiB
LLVM
70 lines
2.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc -mtriple=amdgcn -mcpu=gfx1200 < %s | FileCheck %s
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define amdgpu_kernel void @entry_fn() {
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; CHECK-LABEL: entry_fn:
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; CHECK: ; %bb.0: ; %entry
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; CHECK-NEXT: s_getpc_b64 s[4:5]
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; CHECK-NEXT: s_sext_i32_i16 s5, s5
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; CHECK-NEXT: s_add_co_u32 s4, s4, entry_fn@gotpcrel32@lo+8
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; CHECK-NEXT: s_add_co_ci_u32 s5, s5, entry_fn@gotpcrel32@hi+16
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; CHECK-NEXT: s_mov_b32 s32, 0
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; CHECK-NEXT: s_load_b64 s[4:5], s[4:5], 0x0
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; CHECK-NEXT: s_wait_kmcnt 0x0
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; CHECK-NEXT: s_swappc_b64 s[30:31], s[4:5]
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; CHECK-NEXT: s_endpgm
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entry:
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call void @entry_fn()
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ret void
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}
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define void @caller() {
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; CHECK-LABEL: caller:
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; CHECK: ; %bb.0: ; %entry
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; CHECK-NEXT: s_wait_loadcnt_dscnt 0x0
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; CHECK-NEXT: s_wait_expcnt 0x0
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; CHECK-NEXT: s_wait_samplecnt 0x0
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; CHECK-NEXT: s_wait_bvhcnt 0x0
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; CHECK-NEXT: s_wait_kmcnt 0x0
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; CHECK-NEXT: s_mov_b32 s0, s33
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; CHECK-NEXT: s_mov_b32 s33, s32
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; CHECK-NEXT: s_or_saveexec_b32 s1, -1
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; CHECK-NEXT: scratch_store_b32 off, v40, s33 ; 4-byte Folded Spill
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; CHECK-NEXT: s_wait_alu 0xfffe
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; CHECK-NEXT: s_mov_b32 exec_lo, s1
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; CHECK-NEXT: s_add_co_i32 s32, s32, 16
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; CHECK-NEXT: v_writelane_b32 v40, s0, 2
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; CHECK-NEXT: s_mov_b64 s[0:1], s[4:5]
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; CHECK-NEXT: s_getpc_b64 s[4:5]
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; CHECK-NEXT: s_wait_alu 0xfffe
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; CHECK-NEXT: s_sext_i32_i16 s5, s5
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; CHECK-NEXT: s_add_co_u32 s4, s4, entry_fn@gotpcrel32@lo+12
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; CHECK-NEXT: s_wait_alu 0xfffe
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; CHECK-NEXT: s_add_co_ci_u32 s5, s5, entry_fn@gotpcrel32@hi+24
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; CHECK-NEXT: v_mov_b32_e32 v0, v31
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; CHECK-NEXT: s_load_b64 s[4:5], s[4:5], 0x0
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; CHECK-NEXT: v_writelane_b32 v40, s30, 0
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; CHECK-NEXT: s_mov_b64 s[2:3], s[6:7]
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; CHECK-NEXT: s_mov_b64 s[6:7], s[10:11]
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; CHECK-NEXT: v_writelane_b32 v40, s31, 1
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; CHECK-NEXT: s_wait_kmcnt 0x0
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; CHECK-NEXT: s_wait_alu 0xfffe
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; CHECK-NEXT: s_swappc_b64 s[30:31], s[4:5]
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; CHECK-NEXT: s_delay_alu instid0(VALU_DEP_1)
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; CHECK-NEXT: v_readlane_b32 s31, v40, 1
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; CHECK-NEXT: v_readlane_b32 s30, v40, 0
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; CHECK-NEXT: s_mov_b32 s32, s33
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; CHECK-NEXT: v_readlane_b32 s0, v40, 2
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; CHECK-NEXT: s_or_saveexec_b32 s1, -1
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; CHECK-NEXT: scratch_load_b32 v40, off, s33 ; 4-byte Folded Reload
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; CHECK-NEXT: s_wait_alu 0xfffe
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; CHECK-NEXT: s_mov_b32 exec_lo, s1
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; CHECK-NEXT: s_mov_b32 s33, s0
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; CHECK-NEXT: s_wait_loadcnt 0x0
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; CHECK-NEXT: s_wait_alu 0xfffe
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; CHECK-NEXT: s_setpc_b64 s[30:31]
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entry:
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call void @entry_fn()
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ret void
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}
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