1 ; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck %s 2 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck %s 3 4 ; CHECK-LABEL: {{^}}else_no_execfix: 5 ; CHECK: ; %Flow 6 ; CHECK-NEXT: s_or_saveexec_b64 [[DST:s\[[0-9]+:[0-9]+\]]], 7 ; CHECK-NEXT: s_xor_b64 exec, exec, [[DST]] 8 ; CHECK-NEXT: ; mask branch 9 define amdgpu_ps float @else_no_execfix(i32 %z, float %v) #0 { 10 main_body: 11 %cc = icmp sgt i32 %z, 5 12 br i1 %cc, label %if, label %else 13 14 if: 15 %v.if = fmul float %v, 2.0 16 br label %end 17 18 else: 19 %v.else = fmul float %v, 3.0 20 br label %end 21 22 end: 23 %r = phi float [ %v.if, %if ], [ %v.else, %else ] 24 ret float %r 25 } 26 27 ; CHECK-LABEL: {{^}}else_execfix_leave_wqm: 28 ; CHECK: ; %bb.0: 29 ; CHECK-NEXT: s_mov_b64 [[INIT_EXEC:s\[[0-9]+:[0-9]+\]]], exec 30 ; CHECK: ; %Flow 31 ; CHECK-NEXT: s_or_saveexec_b64 [[DST:s\[[0-9]+:[0-9]+\]]], 32 ; CHECK-NEXT: s_and_b64 exec, exec, [[INIT_EXEC]] 33 ; CHECK-NEXT: s_and_b64 [[AND_INIT:s\[[0-9]+:[0-9]+\]]], exec, [[DST]] 34 ; CHECK-NEXT: s_xor_b64 exec, exec, [[AND_INIT]] 35 ; CHECK-NEXT: ; mask branch 36 define amdgpu_ps void @else_execfix_leave_wqm(i32 %z, float %v) #0 { 37 main_body: 38 %cc = icmp sgt i32 %z, 5 39 br i1 %cc, label %if, label %else 40 41 if: 42 %v.if = fmul float %v, 2.0 43 br label %end 44 45 else: 46 %c = fmul float %v, 3.0 47 %tex = call <4 x float> @llvm.amdgcn.image.sample.1d.v4f32.f32(i32 15, float %c, <8 x i32> undef, <4 x i32> undef, i1 0, i32 0, i32 0) 48 %v.else = extractelement <4 x float> %tex, i32 0 49 br label %end 50 51 end: 52 %r = phi float [ %v.if, %if ], [ %v.else, %else ] 53 call void @llvm.amdgcn.buffer.store.f32(float %r, <4 x i32> undef, i32 0, i32 0, i1 0, i1 0) 54 ret void 55 } 56 57 declare void @llvm.amdgcn.buffer.store.f32(float, <4 x i32>, i32, i32, i1, i1) #1 58 declare <4 x float> @llvm.amdgcn.image.sample.1d.v4f32.f32(i32, float, <8 x i32>, <4 x i32>, i1, i32, i32) #2 59 60 attributes #0 = { nounwind } 61 attributes #1 = { nounwind writeonly } 62 attributes #2 = { nounwind readonly } 63
