ad4a582fd9
Some targets (e.g. PPC and Hexagon) already did this. I think it's best to do this consistently so that frontend authors don't run into inconsistent results when they emit `naked` functions. For example, in Zig, we had to change our emit code to also set `frame-pointer=none` to get reliable results across targets. Note: I don't have commit access.
43 lines
1.6 KiB
LLVM
43 lines
1.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc < %s -mtriple amdgcn | FileCheck %s -check-prefixes=CHECK
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declare dso_local void @main()
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define dso_local void @naked() naked "frame-pointer"="all" {
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; CHECK-LABEL: naked:
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; CHECK: naked$local:
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; CHECK-NEXT: .type naked$local,@function
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; CHECK-NEXT: ; %bb.0:
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; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; CHECK-NEXT: s_getpc_b64 s[16:17]
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; CHECK-NEXT: s_add_u32 s16, s16, main@rel32@lo+4
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; CHECK-NEXT: s_addc_u32 s17, s17, main@rel32@hi+12
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; CHECK-NEXT: s_swappc_b64 s[30:31], s[16:17]
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call void @main()
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unreachable
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}
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define dso_local void @normal() "frame-pointer"="all" {
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; CHECK-LABEL: normal:
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; CHECK: normal$local:
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; CHECK-NEXT: .type normal$local,@function
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; CHECK-NEXT: ; %bb.0:
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; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; CHECK-NEXT: s_mov_b32 s16, s33
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; CHECK-NEXT: s_mov_b32 s33, s32
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; CHECK-NEXT: s_or_saveexec_b64 s[18:19], -1
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; CHECK-NEXT: buffer_store_dword v40, off, s[0:3], s33 ; 4-byte Folded Spill
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; CHECK-NEXT: s_mov_b64 exec, s[18:19]
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; CHECK-NEXT: s_waitcnt expcnt(0)
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; CHECK-NEXT: v_writelane_b32 v40, s16, 2
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; CHECK-NEXT: s_addk_i32 s32, 0x400
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; CHECK-NEXT: v_writelane_b32 v40, s30, 0
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; CHECK-NEXT: v_writelane_b32 v40, s31, 1
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; CHECK-NEXT: s_getpc_b64 s[16:17]
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; CHECK-NEXT: s_add_u32 s16, s16, main@rel32@lo+4
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; CHECK-NEXT: s_addc_u32 s17, s17, main@rel32@hi+12
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; CHECK-NEXT: s_swappc_b64 s[30:31], s[16:17]
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call void @main()
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unreachable
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}
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