| Bug ID | 104902 |
|---|---|
| Summary | unpackHalf2x16 causes LLVM Error on GCN 1.2+ cards (and possibly others) |
| Product | Mesa |
| Version | unspecified |
| Hardware | x86-64 (AMD64) |
| OS | Linux (All) |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | Drivers/Gallium/radeonsi |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | johnnyonflame@hotmail.com |
| QA Contact | dri-devel@lists.freedesktop.org |
Included in this bug report is code to reproduce the crash without the actual application and the necessary data. https://gist.github.com/JohnnyonFlame/d5e0daf640b3ebd3c02f6e0327d53b55 Crash log: LLVM ERROR: Cannot select: 0x7f12680b09d8: f16 = bitcast 0x7f12680a83b8 0x7f12680a83b8: i32 = srl 0x7f12680a82e8, Constant:i32<16> 0x7f12680a82e8: i32 = bswap 0x7f12680b08a0 0x7f12680b08a0: i32 = and 0x7f12680b01b8, Constant:i32<65535> 0x7f12680b01b8: i32 = extract_vector_elt 0x7f12680b0150, Constant:i32<0> 0x7f12680b0150: v4i32 = bitcast 0x7f12680b00e8 0x7f12680b00e8: v4f32,ch = llvm.amdgcn.image.sample<LD16[TargetCustom7(addrspace=2)](dereferenceable)> 0x7f1268033948, TargetConstant:i32<459>, 0x7f12680b0e50, 0x7f12680ab0e8, 0x7f12680ab220, Constant:i32<15>, Constant:i1<0>, Constant:i1<0>, Constant:i1<0>, Constant:i1<0>, Constant:i1<0> 0x7f12680affb0: i32 = TargetConstant<459> 0x7f12680b0e50: v2f32 = BUILD_VECTOR 0x7f12680a87c8, 0x7f12680aaee0 0x7f12680a87c8: f32 = INTERP_P2 0x7f12680a8898, 0x7f12680ab288, Constant:i32<0>, Constant:i32<0>, 0x7f12680aae10:1 0x7f12680a8898: f32 = INTERP_P1 0x7f12680ab018, Constant:i32<0>, Constant:i32<0>, 0x7f12680aada8:1 0x7f12680ab288: f32 = bitcast 0x7f12680a8b08 0x7f12680aaa68: i32 = Constant<0> 0x7f12680aaa68: i32 = Constant<0> 0x7f12680aae10: ch,glue = SI_INIT_M0 0x7f12680a86f8, 0x7f1268033948 0x7f12680aaee0: f32 = fsub nsz ConstantFP:f32<1.000000e+00>, 0x7f12680a8760 0x7f12680aae78: f32 = ConstantFP<1.000000e+00> 0x7f12680a8760: f32 = INTERP_P2 0x7f12680a8830, 0x7f12680ab288, Constant:i32<1>, Constant:i32<0>, 0x7f12680b0908:1 0x7f12680ab0e8: v8i32,ch = load<LD32[%30(addrspace=2)](dereferenceable)(invariant)> 0x7f1268033948, 0x7f12680aafb0, undef:i64 0x7f12680aafb0: i64 = add 0x7f12680a8558, Constant:i64<512> 0x7f12680a8558: i64,ch = CopyFromReg 0x7f1268033948, Register:i64 %3 0x7f12680aaf48: i64 = Constant<512> 0x7f12680ab080: i64 = undef 0x7f12680ab220: v4i32,ch = load<LD16[%33(addrspace=2)](dereferenceable)(invariant)> 0x7f1268033948, 0x7f12680ab1b8, undef:i64 0x7f12680ab1b8: i64 = add 0x7f12680a8558, Constant:i64<560> 0x7f12680a8558: i64,ch = CopyFromReg 0x7f1268033948, Register:i64 %3 0x7f12680ab150: i64 = Constant<560> 0x7f12680ab080: i64 = undef 0x7f12680b0018: i32 = Constant<15> 0x7f12680b0080: i1 = Constant<0> 0x7f12680b0080: i1 = Constant<0> 0x7f12680b0080: i1 = Constant<0> 0x7f12680b0080: i1 = Constant<0> 0x7f12680b0080: i1 = Constant<0> 0x7f12680aaa68: i32 = Constant<0> 0x7f12680aac08: i32 = Constant<65535> 0x7f12680a8350: i32 = Constant<16>
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