diff options
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/ret_jump.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/ret_jump.ll | 87 |
1 files changed, 74 insertions, 13 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/ret_jump.ll b/llvm/test/CodeGen/AMDGPU/ret_jump.ll index 2aad3ce6418..f2fbacbab82 100644 --- a/llvm/test/CodeGen/AMDGPU/ret_jump.ll +++ b/llvm/test/CodeGen/AMDGPU/ret_jump.ll @@ -4,20 +4,78 @@ ; This should end with an no-op sequence of exec mask manipulations ; Mask should be in original state after executed unreachable block -; GCN-LABEL: {{^}}main: + +; GCN-LABEL: {{^}}uniform_br_trivial_ret_divergent_br_trivial_unreachable: ; GCN: s_cbranch_scc1 [[RET_BB:BB[0-9]+_[0-9]+]] +; GCN-NEXT: ; %else + ; GCN: s_and_saveexec_b64 [[SAVE_EXEC:s\[[0-9]+:[0-9]+\]]], vcc ; GCN-NEXT: s_xor_b64 [[XOR_EXEC:s\[[0-9]+:[0-9]+\]]], exec, [[SAVE_EXEC]] -; GCN-NEXT: ; mask branch [[UNREACHABLE_BB:BB[0-9]+_[0-9]+]] +; GCN-NEXT: ; mask branch [[FLOW:BB[0-9]+_[0-9]+]] -; GCN: [[RET_BB]]: -; GCN-NEXT: s_branch [[FINAL_BB:BB[0-9]+_[0-9]+]] +; GCN: BB{{[0-9]+_[0-9]+}}: ; %unreachable.bb +; GCN-NEXT: ; divergent unreachable -; GCN-NEXT: [[UNREACHABLE_BB]]: -; GCN-NEXT: [[FINAL_BB]]: +; GCN-NEXT: {{^}}[[FLOW]]: ; %Flow +; GCN-NEXT: s_or_b64 exec, exec + +; GCN-NEXT: [[RET_BB]]: +; GCN-NEXT: ; return ; GCN-NEXT: .Lfunc_end0 -define amdgpu_ps <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> @main([9 x <16 x i8>] addrspace(2)* byval %arg, [17 x <16 x i8>] addrspace(2)* byval %arg1, [17 x <8 x i32>] addrspace(2)* byval %arg2, i32 addrspace(2)* byval %arg3, float inreg %arg4, i32 inreg %arg5, <2 x i32> %arg6, <2 x i32> %arg7, <2 x i32> %arg8, <3 x i32> %arg9, <2 x i32> %arg10, <2 x i32> %arg11, <2 x i32> %arg12, float %arg13, float %arg14, float %arg15, float %arg16, float %arg17, i32 %arg18, i32 %arg19, float %arg20, i32 %arg21) #0 { +define amdgpu_ps <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> @uniform_br_trivial_ret_divergent_br_trivial_unreachable([9 x <16 x i8>] addrspace(2)* byval %arg, [17 x <16 x i8>] addrspace(2)* byval %arg1, [17 x <8 x i32>] addrspace(2)* byval %arg2, i32 addrspace(2)* byval %arg3, float inreg %arg4, i32 inreg %arg5, <2 x i32> %arg6, <2 x i32> %arg7, <2 x i32> %arg8, <3 x i32> %arg9, <2 x i32> %arg10, <2 x i32> %arg11, <2 x i32> %arg12, float %arg13, float %arg14, float %arg15, float %arg16, i32 inreg %arg17, i32 %arg18, i32 %arg19, float %arg20, i32 %arg21) #0 { +entry: + %i.i = extractelement <2 x i32> %arg7, i32 0 + %j.i = extractelement <2 x i32> %arg7, i32 1 + %i.f.i = bitcast i32 %i.i to float + %j.f.i = bitcast i32 %j.i to float + %p1.i = call float @llvm.amdgcn.interp.p1(float %i.f.i, i32 1, i32 0, i32 %arg5) #2 + %p2.i = call float @llvm.amdgcn.interp.p2(float %p1.i, float %j.f.i, i32 1, i32 0, i32 %arg5) #2 + %p87 = fmul float undef, %p2.i + %p88 = fadd float %p87, undef + %p93 = fadd float %p88, undef + %p97 = fmul float %p93, undef + %p102 = fsub float %p97, undef + %p104 = fmul float %p102, undef + %p106 = fadd float 0.000000e+00, %p104 + %p108 = fadd float undef, %p106 + %uniform.cond = icmp slt i32 %arg17, 0 + br i1 %uniform.cond, label %ret.bb, label %else + +else: ; preds = %main_body + %p124 = fmul float %p108, %p108 + %p125 = fsub float %p124, undef + %divergent.cond = fcmp olt float %p125, 0.000000e+00 + br i1 %divergent.cond, label %ret.bb, label %unreachable.bb + +unreachable.bb: ; preds = %else + unreachable + +ret.bb: ; preds = %else, %main_body + ret <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> undef +} + +; GCN-LABEL: {{^}}uniform_br_nontrivial_ret_divergent_br_nontrivial_unreachable: +; GCN: s_cbranch_vccnz [[RET_BB:BB[0-9]+_[0-9]+]] + +; GCN: ; BB#{{[0-9]+}}: ; %else +; GCN: s_and_saveexec_b64 [[SAVE_EXEC:s\[[0-9]+:[0-9]+\]]], vcc +; GCN-NEXT: s_xor_b64 [[XOR_EXEC:s\[[0-9]+:[0-9]+\]]], exec, [[SAVE_EXEC]] +; GCN-NEXT: ; mask branch [[FLOW1:BB[0-9]+_[0-9]+]] + +; GCN-NEXT: ; %unreachable.bb +; GCN: ds_write_b32 +; GCN: s_waitcnt +; GCN: ; divergent unreachable + +; GCN: ; %ret.bb +; GCN: store_dword + +; GCN: ; %UnifiedReturnBlock +; GCN-NEXT: s_or_b64 exec, exec +; GCN-NEXT: ; return +; GCN-NEXT: .Lfunc_end +define amdgpu_ps <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> @uniform_br_nontrivial_ret_divergent_br_nontrivial_unreachable([9 x <16 x i8>] addrspace(2)* byval %arg, [17 x <16 x i8>] addrspace(2)* byval %arg1, [17 x <8 x i32>] addrspace(2)* byval %arg2, i32 addrspace(2)* byval %arg3, float inreg %arg4, i32 inreg %arg5, <2 x i32> %arg6, <2 x i32> %arg7, <2 x i32> %arg8, <3 x i32> %arg9, <2 x i32> %arg10, <2 x i32> %arg11, <2 x i32> %arg12, float %arg13, float %arg14, float %arg15, float %arg16, float %arg17, i32 inreg %arg18, i32 %arg19, float %arg20, i32 %arg21) #0 { main_body: %i.i = extractelement <2 x i32> %arg7, i32 0 %j.i = extractelement <2 x i32> %arg7, i32 1 @@ -33,18 +91,21 @@ main_body: %p104 = fmul float %p102, undef %p106 = fadd float 0.000000e+00, %p104 %p108 = fadd float undef, %p106 - br i1 undef, label %ENDIF69, label %ELSE + %uniform.cond = icmp slt i32 %arg18, 0 + br i1 %uniform.cond, label %ret.bb, label %else -ELSE: ; preds = %main_body +else: ; preds = %main_body %p124 = fmul float %p108, %p108 %p125 = fsub float %p124, undef - %p126 = fcmp olt float %p125, 0.000000e+00 - br i1 %p126, label %ENDIF69, label %ELSE41 + %divergent.cond = fcmp olt float %p125, 0.000000e+00 + br i1 %divergent.cond, label %ret.bb, label %unreachable.bb -ELSE41: ; preds = %ELSE +unreachable.bb: ; preds = %else + store volatile i32 8, i32 addrspace(3)* undef unreachable -ENDIF69: ; preds = %ELSE, %main_body +ret.bb: ; preds = %else, %main_body + store volatile i32 11, i32 addrspace(1)* undef ret <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> undef } |
