| ; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 < %s | FileCheck %s |
| |
| ; Make sure the return value of the first call is not overwritten with |
| ; a constant before the fadd use. |
| |
| ; CHECK-LABEL: vgpr_multi_use_imm_fold: |
| ; CHECK: v_mov_b32_e32 v0, 0{{$}} |
| ; CHECK: v_mov_b32_e32 v1, 2.0{{$}} |
| ; CHECK: s_swappc_b64 |
| ; CHECK-NEXT: v_add_f64 v[0:1], v[0:1], 0 |
| ; CHECK: s_swappc_b64 |
| define amdgpu_kernel void @vgpr_multi_use_imm_fold() { |
| entry: |
| store double 0.0, double addrspace(1)* undef, align 8 |
| %call0 = tail call fastcc double @__ocml_log_f64(double 2.0) |
| %op = fadd double %call0, 0.0 |
| %call1 = tail call fastcc double @__ocml_sqrt_f64(double %op) |
| ret void |
| } |
| |
| declare hidden fastcc double @__ocml_log_f64(double) |
| declare hidden fastcc double @__ocml_sqrt_f64(double) |
