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AMDGPU: Error more gracefully on libcalls

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I think this is the only situation where the callsite
will have a null instruction.

llvm-svn: 339271
This commit is contained in:
Matt Arsenault 2018-08-08 16:58:39 +00:00
parent 9fd9aef37c
commit 2436d7803f
2 changed files with 10 additions and 0 deletions
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3
lib/Target/AMDGPU/SIISelLowering.cpp
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@ -2376,6 +2376,9 @@ SDValue SITargetLowering::LowerCall(CallLoweringInfo &CLI,
"unsupported call to variadic function "); "unsupported call to variadic function ");
} }
if (!CLI.CS.getInstruction())
report_fatal_error("unsupported libcall legalization");
if (!CLI.CS.getCalledFunction()) { if (!CLI.CS.getCalledFunction()) {
return lowerUnhandledCall(CLI, InVals, return lowerUnhandledCall(CLI, InVals,
"unsupported indirect call to function "); "unsupported indirect call to function ");

7
test/CodeGen/AMDGPU/div_i128.ll Normal file
View File

@ -0,0 +1,7 @@
; RUN: not llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs %s 2>&1 | FileCheck %s
; CHECK: LLVM ERROR: unsupported libcall legalization
define i128 @v_sdiv_i128_vv(i128 %lhs, i128 %rhs) {
%shl = sdiv i128 %lhs, %rhs
ret i128 %shl
}