AMDGPU: Error more gracefully on libcalls
I think this is the only situation where the callsite
will have a null instruction.
llvm-svn: 339271
diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
index b763685..439006e 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -2376,6 +2376,9 @@
"unsupported call to variadic function ");
}
+ if (!CLI.CS.getInstruction())
+ report_fatal_error("unsupported libcall legalization");
+
if (!CLI.CS.getCalledFunction()) {
return lowerUnhandledCall(CLI, InVals,
"unsupported indirect call to function ");
diff --git a/llvm/test/CodeGen/AMDGPU/div_i128.ll b/llvm/test/CodeGen/AMDGPU/div_i128.ll
new file mode 100644
index 0000000..7c4c88b
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/div_i128.ll
@@ -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
+}