diff options
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 1 | ||||
| -rw-r--r-- | test/CodeGen/ARM/indirect-reg-input.ll | 14 |
2 files changed, 15 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index 958bd3e701..9a0bd235d7 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -6168,6 +6168,7 @@ void SelectionDAGBuilder::visitInlineAsm(ImmutableCallSite CS) { Ctx.emitError(CS.getInstruction(), "inline asm not supported yet:" " don't know how to handle tied " "indirect register inputs"); + report_fatal_error("Cannot handle indirect register inputs!"); } RegsForValue MatchedRegs; diff --git a/test/CodeGen/ARM/indirect-reg-input.ll b/test/CodeGen/ARM/indirect-reg-input.ll new file mode 100644 index 0000000000..86728fa619 --- /dev/null +++ b/test/CodeGen/ARM/indirect-reg-input.ll @@ -0,0 +1,14 @@ +; RUN: llc < %s -march=arm -mcpu=cortex-a8 2>&1 | FileCheck %s + +; Check for error message: +; CHECK: error: inline asm not supported yet: don't know how to handle tied indirect register inputs + +%struct.my_stack = type { %struct.myjmp_buf } +%struct.myjmp_buf = type { [6 x i32] } + +define void @switch_to_stack(%struct.my_stack* %stack) nounwind { +entry: + %regs = getelementptr inbounds %struct.my_stack* %stack, i32 0, i32 0 + tail call void asm "\0A", "=*r,*0"(%struct.myjmp_buf* %regs, %struct.myjmp_buf* %regs) + ret void +} |