https://llvm.org/bugs/show_bug.cgi?id=28209
Bug ID: 28209
Summary: [mc][gfx7] v_mac_f32_e64 -- assertions
Product: libraries
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: Backend: AMDGPU
Assignee: artem.tama...@amd.com
Reporter: artem.tama...@amd.com
CC: llvm-bugs@lists.llvm.org, nikolay.haus...@amd.com
Classification: Unclassified
Created attachment 16598
--> https://llvm.org/bugs/attachment.cgi?id=16598&action=edit
00956.tests_tg_gfx7_asm_lit1_bug.06.08.min.v_mac_f32_e64.zip
Example of failing instruction:
> v_mac_f32_e64 v0, s0, s0
Output:
> ...note: parsed instruction: ['v_mac_f32', <register 202 mods: abs:0 neg: 0
> sext:0>, <register 202 mods: abs:0 neg: 0 sext:0>, <register 86 mods: abs:0
> neg : 0 sext:0>]
> v_mac_f32 v0, v0, s0
> ^
> Assertion failed: idx < size(), file
> C:\work-1\asm-git-1\llvm\include\llvm/ADT/SmallVector.h, line 150
> Wrote crash dump file
> "C:\Users\atamazov\AppData\Local\Temp\llvm-mc.exe-37c905.dmp"
> #0 0x00b57879 (C:\work-1\asm-git-1\build\Debug\bin\llvm-mc.exe+0x1e7879)
> #1 0x68b7f7f9 (C:\Windows\system32\MSVCR120D.dll+0x13f7f9)
> #2 0x68b8b284 (C:\Windows\system32\MSVCR120D.dll+0x14b284)
Tested with r273139 (git # 4a94acfea8bfd6eb6b5809dd40f03e1fa42e673a)
GFX7 lit tests attached.
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