1*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=mips -mattr=-fp64 < %s | FileCheck -check-prefix=CHECK-FP32 %s 2*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=mips -mcpu=mips32r2 -mattr=+fp64 < %s | FileCheck -check-prefix=CHECK-FP64 %s 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker; This test case is a simplified version of an llvm-stress generated test with 5*9880d681SAndroid Build Coastguard Worker; seed=3718491962. 6*9880d681SAndroid Build Coastguard Worker; It originally failed on MIPS32 with FP64 with the following error: 7*9880d681SAndroid Build Coastguard Worker; LLVM ERROR: ran out of registers during register allocation 8*9880d681SAndroid Build Coastguard Worker; This was caused by impossible register class restrictions caused by the use 9*9880d681SAndroid Build Coastguard Worker; of BuildPairF64 instead of BuildPairF64_64. 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Workerdefine void @autogen_SD3718491962() { 12*9880d681SAndroid Build Coastguard WorkerBB: 13*9880d681SAndroid Build Coastguard Worker ; CHECK-FP32: mtc1 $zero, $f{{[0-3]*[02468]}} 14*9880d681SAndroid Build Coastguard Worker ; CHECK-FP32: mtc1 $zero, $f{{[0-3]*[13579]}} 15*9880d681SAndroid Build Coastguard Worker 16*9880d681SAndroid Build Coastguard Worker ; CHECK-FP64: mtc1 $zero, $f{{[0-9]+}} 17*9880d681SAndroid Build Coastguard Worker ; CHECK-FP64-NOT: mtc1 $zero, 18*9880d681SAndroid Build Coastguard Worker ; FIXME: A redundant mthc1 is currently emitted. Add a -NOT when it is 19*9880d681SAndroid Build Coastguard Worker ; eliminated 20*9880d681SAndroid Build Coastguard Worker 21*9880d681SAndroid Build Coastguard Worker %Cmp = fcmp ule double 0.000000e+00, undef 22*9880d681SAndroid Build Coastguard Worker %Cmp11 = fcmp ueq double 0xFDBD965CF1BB7FDA, undef 23*9880d681SAndroid Build Coastguard Worker br label %CF88 24*9880d681SAndroid Build Coastguard Worker 25*9880d681SAndroid Build Coastguard WorkerCF88: ; preds = %CF86 26*9880d681SAndroid Build Coastguard Worker %Sl18 = select i1 %Cmp, i1 %Cmp11, i1 %Cmp 27*9880d681SAndroid Build Coastguard Worker br i1 %Sl18, label %CF88, label %CF85 28*9880d681SAndroid Build Coastguard Worker 29*9880d681SAndroid Build Coastguard WorkerCF85: ; preds = %CF88 30*9880d681SAndroid Build Coastguard Worker ret void 31*9880d681SAndroid Build Coastguard Worker} 32