llvm-project/llvm/test/CodeGen/AMDGPU/ret_jump.ll

75 lines
3.3 KiB
LLVM

; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
; 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: s_cbranch_scc1 [[RET_BB:BB[0-9]+_[0-9]+]]
; 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: [[RET_BB]]:
; GCN-NEXT: s_branch [[FINAL_BB:BB[0-9]+_[0-9]+]]
; GCN-NEXT: [[UNREACHABLE_BB]]:
; GCN-NEXT: [[FINAL_BB]]:
; 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 {
main_body:
%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
br i1 undef, label %ENDIF69, label %ELSE
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
ELSE41: ; preds = %ELSE
unreachable
ENDIF69: ; 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
}
; Function Attrs: nounwind readnone
declare float @llvm.amdgcn.interp.p1(float, i32, i32, i32) #1
; Function Attrs: nounwind readnone
declare float @llvm.amdgcn.interp.p2(float, float, i32, i32, i32) #1
; Function Attrs: nounwind readnone
declare float @llvm.amdgcn.interp.mov(i32, i32, i32, i32) #1
; Function Attrs: nounwind readnone
declare float @llvm.SI.load.const(<16 x i8>, i32) #1
; Function Attrs: nounwind readnone
declare float @llvm.fabs.f32(float) #1
; Function Attrs: nounwind readnone
declare float @llvm.sqrt.f32(float) #1
; Function Attrs: nounwind readnone
declare float @llvm.floor.f32(float) #1
attributes #0 = { "InitialPSInputAddr"="36983" }
attributes #1 = { nounwind readnone }
attributes #2 = { nounwind }