1 ; RUN: llc < %s -mtriple=amdgcn--amdpal -mcpu=gfx900 -verify-machineinstrs | FileCheck %s
3 ; Check that the redundant immediate MOV instruction
4 ; (by-product of handling phi nodes) is not found
5 ; in the generated code.
7 ; CHECK-LABEL: {{^}}mov_opt:
8 ; CHECK: v_mov_b32_e32 {{v[0-9]+}}, 1.0
10 ; CHECK-NOT: v_mov_b32_e32 {{v[0-9]+}}, 1.0
13 define amdgpu_ps void @mov_opt(i32 %arg, i32 inreg %arg1, i32 inreg %arg2) local_unnamed_addr #0 {
15 %tmp = icmp eq i32 %arg1, 0
16 br i1 %tmp, label %bb3, label %bb10
19 %tmp4 = icmp eq i32 %arg2, 0
20 br i1 %tmp4, label %bb5, label %bb10
23 %tmp6 = getelementptr <{ [4294967295 x i32] }>, <{ [4294967295 x i32] }> addrspace(6)* null, i32 0, i32 0, i32 %arg
24 %tmp7 = load i32, i32 addrspace(6)* %tmp6
25 %tmp8 = icmp eq i32 %tmp7, 1
26 br i1 %tmp8, label %bb10, label %bb9
31 bb10: ; preds = %bb9, %bb5, %bb3, %bb
32 %tmp11 = phi float [ 1.000000e+00, %bb3 ], [ 0.000000e+00, %bb9 ], [ 1.000000e+00, %bb ], [ undef, %bb5 ]
33 call void @llvm.amdgcn.exp.f32(i32 immarg 40, i32 immarg 15, float %tmp11, float undef, float undef, float undef, i1 immarg false, i1 immarg false) #0
37 ; Function Attrs: inaccessiblememonly nounwind
38 declare void @llvm.amdgcn.exp.f32(i32 immarg, i32 immarg, float, float, float, float, i1 immarg, i1 immarg) #1
40 attributes #0 = { nounwind }
41 attributes #1 = { inaccessiblememonly nounwind }