1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mcpu=cortex-a8 -verify-machineinstrs -disable-block-placement | FileCheck %s 2*9880d681SAndroid Build Coastguard Workertarget triple = "thumbv7-apple-ios" 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker; The 1.0e+10 constant is loaded from the constant pool and kept in a register. 5*9880d681SAndroid Build Coastguard Worker; CHECK: %entry 6*9880d681SAndroid Build Coastguard Worker; CHECK: vldr s 7*9880d681SAndroid Build Coastguard Worker; The float loop variable is initialized with a vmovs from the constant register. 8*9880d681SAndroid Build Coastguard Worker; The vmovs is first widened to a vmovd, and then converted to a vorr because of the v2f32 vadd.f32. 9*9880d681SAndroid Build Coastguard Worker; CHECK: vorr [[DL:d[0-9]+]], [[DN:d[0-9]+]] 10*9880d681SAndroid Build Coastguard Worker; CHECK: , [[DN]] 11*9880d681SAndroid Build Coastguard Worker; CHECK: %for.body.i 12*9880d681SAndroid Build Coastguard Worker; CHECK: vadd.f32 [[DL]], [[DL]], [[DN]] 13*9880d681SAndroid Build Coastguard Worker; CHECK: %rInnerproduct.exit 14*9880d681SAndroid Build Coastguard Worker; 15*9880d681SAndroid Build Coastguard Worker; This test is verifying: 16*9880d681SAndroid Build Coastguard Worker; - The VMOVS widening is happening. 17*9880d681SAndroid Build Coastguard Worker; - Register liveness is verified. 18*9880d681SAndroid Build Coastguard Worker; - The execution domain switch to vorr works across basic blocks. 19*9880d681SAndroid Build Coastguard Worker 20*9880d681SAndroid Build Coastguard Workerdefine void @Mm(i32 %in, float* %addr) nounwind { 21*9880d681SAndroid Build Coastguard Workerentry: 22*9880d681SAndroid Build Coastguard Worker br label %for.body4 23*9880d681SAndroid Build Coastguard Worker 24*9880d681SAndroid Build Coastguard Workerfor.body4: 25*9880d681SAndroid Build Coastguard Worker br label %for.body.i 26*9880d681SAndroid Build Coastguard Worker 27*9880d681SAndroid Build Coastguard Workerfor.body.i: 28*9880d681SAndroid Build Coastguard Worker %tmp3.i = phi float [ 1.000000e+10, %for.body4 ], [ %add.i, %for.body.i ] 29*9880d681SAndroid Build Coastguard Worker %add.i = fadd float %tmp3.i, 1.000000e+10 30*9880d681SAndroid Build Coastguard Worker %exitcond.i = icmp eq i32 %in, 41 31*9880d681SAndroid Build Coastguard Worker br i1 %exitcond.i, label %rInnerproduct.exit, label %for.body.i 32*9880d681SAndroid Build Coastguard Worker 33*9880d681SAndroid Build Coastguard WorkerrInnerproduct.exit: 34*9880d681SAndroid Build Coastguard Worker store float %add.i, float* %addr, align 4 35*9880d681SAndroid Build Coastguard Worker br label %for.body4 36*9880d681SAndroid Build Coastguard Worker} 37