1; RUN: not llc -O0 -mtriple=spirv32-unknown-unknown --spirv-ext=+UNKNOWN_EXTENSION %s -o %t.spvt 2>&1 | FileCheck %s 2; CHECK: Unknown SPIR-V extension: +UNKNOWN_EXTENSION 3 4define i8 @foo() { 5 ret i8 2 6} 7