| ; RUN: llc -march=mips -mattr=-fp64 < %s | FileCheck -check-prefix=CHECK-FP32 %s |
| ; RUN: llc -march=mips -mcpu=mips32r2 -mattr=+fp64 < %s | FileCheck -check-prefix=CHECK-FP64 %s |
| |
| ; This test case is a simplified version of an llvm-stress generated test with |
| ; seed=3718491962. |
| ; It originally failed on MIPS32 with FP64 with the following error: |
| ; LLVM ERROR: ran out of registers during register allocation |
| ; This was caused by impossible register class restrictions caused by the use |
| ; of BuildPairF64 instead of BuildPairF64_64. |
| |
| define void @autogen_SD3718491962() { |
| BB: |
| ; CHECK-FP32: mtc1 $zero, $f{{[0-3]*[02468]}} |
| ; CHECK-FP32: mtc1 $zero, $f{{[0-3]*[13579]}} |
| |
| ; CHECK-FP64: mtc1 $zero, $f{{[0-9]+}} |
| ; CHECK-FP64-NOT: mtc1 $zero, |
| ; FIXME: A redundant mthc1 is currently emitted. Add a -NOT when it is |
| ; eliminated |
| |
| %Cmp = fcmp ule double 0.000000e+00, undef |
| %Cmp11 = fcmp ueq double 0xFDBD965CF1BB7FDA, undef |
| br label %CF88 |
| |
| CF88: ; preds = %CF86 |
| %Sl18 = select i1 %Cmp, i1 %Cmp11, i1 %Cmp |
| br i1 %Sl18, label %CF88, label %CF85 |
| |
| CF85: ; preds = %CF88 |
| ret void |
| } |
