| ; RUN: llc -march=amdgcn -verify-machineinstrs -o - %s | FileCheck -check-prefix=GCN %s | 
 | ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs -o - %s | FileCheck -check-prefix=GCN %s | 
 |  | 
 | ; GCN-LABEL:{{^}}row_filter_C1_D0: | 
 | define amdgpu_kernel void @row_filter_C1_D0() #0 { | 
 | entry: | 
 |   br i1 undef, label %for.inc.1, label %do.body.preheader | 
 |  | 
 | do.body.preheader:                                ; preds = %entry | 
 |   %tmp = insertelement <4 x i32> zeroinitializer, i32 undef, i32 1 | 
 |   br i1 undef, label %do.body56.1, label %do.body90 | 
 |  | 
 | do.body90:                                        ; preds = %do.body56.2, %do.body56.1, %do.body.preheader | 
 |   %tmp1 = phi <4 x i32> [ %tmp6, %do.body56.2 ], [ %tmp5, %do.body56.1 ], [ %tmp, %do.body.preheader ] | 
 |   %tmp2 = insertelement <4 x i32> %tmp1, i32 undef, i32 2 | 
 |   %tmp3 = insertelement <4 x i32> %tmp2, i32 undef, i32 3 | 
 |   br i1 undef, label %do.body124.1, label %do.body.1562.preheader | 
 |  | 
 | do.body.1562.preheader:                           ; preds = %do.body124.1, %do.body90 | 
 |   %storemerge = phi <4 x i32> [ %tmp3, %do.body90 ], [ %tmp7, %do.body124.1 ] | 
 |   %tmp4 = insertelement <4 x i32> undef, i32 undef, i32 1 | 
 |   br label %for.inc.1 | 
 |  | 
 | do.body56.1:                                      ; preds = %do.body.preheader | 
 |   %tmp5 = insertelement <4 x i32> %tmp, i32 undef, i32 1 | 
 |   %or.cond472.1 = or i1 undef, undef | 
 |   br i1 %or.cond472.1, label %do.body56.2, label %do.body90 | 
 |  | 
 | do.body56.2:                                      ; preds = %do.body56.1 | 
 |   %tmp6 = insertelement <4 x i32> %tmp5, i32 undef, i32 1 | 
 |   br label %do.body90 | 
 |  | 
 | do.body124.1:                                     ; preds = %do.body90 | 
 |   %tmp7 = insertelement <4 x i32> %tmp3, i32 undef, i32 3 | 
 |   br label %do.body.1562.preheader | 
 |  | 
 | for.inc.1:                                        ; preds = %do.body.1562.preheader, %entry | 
 |   %storemerge591 = phi <4 x i32> [ zeroinitializer, %entry ], [ %storemerge, %do.body.1562.preheader ] | 
 |   %add.i495 = add <4 x i32> %storemerge591, undef | 
 |   unreachable | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}foo: | 
 | ; GCN: s_endpgm | 
 | define amdgpu_ps void @foo() #0 { | 
 | bb: | 
 |   br i1 undef, label %bb2, label %bb1 | 
 |  | 
 | bb1:                                              ; preds = %bb | 
 |   br i1 undef, label %bb4, label %bb6 | 
 |  | 
 | bb2:                                              ; preds = %bb4, %bb | 
 |   %tmp = phi float [ %tmp5, %bb4 ], [ 0.000000e+00, %bb ] | 
 |   br i1 undef, label %bb9, label %bb13 | 
 |  | 
 | bb4:                                              ; preds = %bb7, %bb6, %bb1 | 
 |   %tmp5 = phi float [ undef, %bb1 ], [ undef, %bb6 ], [ %tmp8, %bb7 ] | 
 |   br label %bb2 | 
 |  | 
 | bb6:                                              ; preds = %bb1 | 
 |   br i1 undef, label %bb7, label %bb4 | 
 |  | 
 | bb7:                                              ; preds = %bb6 | 
 |   %tmp8 = fmul float undef, undef | 
 |   br label %bb4 | 
 |  | 
 | bb9:                                              ; preds = %bb2 | 
 |   %tmp10 = call <4 x float> @llvm.amdgcn.image.sample.1d.v4f32.f32(i32 15, float undef, <8 x i32> undef, <4 x i32> undef, i1 0, i32 0, i32 0) | 
 |   %tmp11 = extractelement <4 x float> %tmp10, i32 1 | 
 |   %tmp12 = extractelement <4 x float> %tmp10, i32 3 | 
 |   br label %bb14 | 
 |  | 
 | bb13:                                             ; preds = %bb2 | 
 |   br i1 undef, label %bb23, label %bb24 | 
 |  | 
 | bb14:                                             ; preds = %bb27, %bb24, %bb9 | 
 |   %tmp15 = phi float [ %tmp12, %bb9 ], [ undef, %bb27 ], [ 0.000000e+00, %bb24 ] | 
 |   %tmp16 = phi float [ %tmp11, %bb9 ], [ undef, %bb27 ], [ %tmp25, %bb24 ] | 
 |   %tmp17 = fmul float 1.050000e+01, %tmp16 | 
 |   %tmp18 = fmul float 1.150000e+01, %tmp15 | 
 |   call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %tmp18, float %tmp17, float %tmp17, float %tmp17, i1 true, i1 true) #0 | 
 |   ret void | 
 |  | 
 | bb23:                                             ; preds = %bb13 | 
 |   br i1 undef, label %bb24, label %bb26 | 
 |  | 
 | bb24:                                             ; preds = %bb26, %bb23, %bb13 | 
 |   %tmp25 = phi float [ %tmp, %bb13 ], [ %tmp, %bb26 ], [ 0.000000e+00, %bb23 ] | 
 |   br i1 undef, label %bb27, label %bb14 | 
 |  | 
 | bb26:                                             ; preds = %bb23 | 
 |   br label %bb24 | 
 |  | 
 | bb27:                                             ; preds = %bb24 | 
 |   br label %bb14 | 
 | } | 
 |  | 
 |  | 
 | declare void @llvm.amdgcn.exp.f32(i32, i32, float, float, float, float, i1, i1) #0 | 
 | declare <4 x float> @llvm.amdgcn.image.sample.1d.v4f32.f32(i32, float, <8 x i32>, <4 x i32>, i1, i32, i32) #1 | 
 |  | 
 | attributes #0 = { nounwind } | 
 | attributes #1 = { nounwind readonly } |