llvm-project/llvm/test/CodeGen/AMDGPU/schedule-fs-loop-nested-if.ll

86 lines
3.9 KiB
LLVM

; RUN: llc -march=r600 -mcpu=cayman -stress-sched -verify-misched -verify-machineinstrs < %s
; REQUIRES: asserts
define amdgpu_vs void @main(<4 x float> inreg %reg0, <4 x float> inreg %reg1) #0 {
main_body:
%tmp = extractelement <4 x float> %reg1, i32 0
%tmp5 = extractelement <4 x float> %reg1, i32 1
%tmp6 = extractelement <4 x float> %reg1, i32 2
%tmp7 = extractelement <4 x float> %reg1, i32 3
%tmp8 = fcmp ult float %tmp5, 0.000000e+00
%tmp9 = select i1 %tmp8, float 1.000000e+00, float 0.000000e+00
%tmp10 = fsub float -0.000000e+00, %tmp9
%tmp11 = fptosi float %tmp10 to i32
%tmp12 = bitcast i32 %tmp11 to float
%tmp13 = fcmp ult float %tmp, 5.700000e+01
%tmp14 = select i1 %tmp13, float 1.000000e+00, float 0.000000e+00
%tmp15 = fsub float -0.000000e+00, %tmp14
%tmp16 = fptosi float %tmp15 to i32
%tmp17 = bitcast i32 %tmp16 to float
%tmp18 = bitcast float %tmp12 to i32
%tmp19 = bitcast float %tmp17 to i32
%tmp20 = and i32 %tmp18, %tmp19
%tmp21 = bitcast i32 %tmp20 to float
%tmp22 = bitcast float %tmp21 to i32
%tmp23 = icmp ne i32 %tmp22, 0
%tmp24 = fcmp ult float %tmp, 0.000000e+00
%tmp25 = select i1 %tmp24, float 1.000000e+00, float 0.000000e+00
%tmp26 = fsub float -0.000000e+00, %tmp25
%tmp27 = fptosi float %tmp26 to i32
%tmp28 = bitcast i32 %tmp27 to float
%tmp29 = bitcast float %tmp28 to i32
%tmp30 = icmp ne i32 %tmp29, 0
br i1 %tmp23, label %IF, label %ELSE
IF: ; preds = %main_body
%. = select i1 %tmp30, float 0.000000e+00, float 1.000000e+00
%.18 = select i1 %tmp30, float 1.000000e+00, float 0.000000e+00
br label %ENDIF
ELSE: ; preds = %main_body
br i1 %tmp30, label %ENDIF, label %ELSE17
ENDIF: ; preds = %ELSE17, %ELSE, %IF
%temp1.0 = phi float [ %., %IF ], [ %tmp48, %ELSE17 ], [ 0.000000e+00, %ELSE ]
%temp2.0 = phi float [ 0.000000e+00, %IF ], [ %tmp49, %ELSE17 ], [ 1.000000e+00, %ELSE ]
%temp.0 = phi float [ %.18, %IF ], [ %tmp47, %ELSE17 ], [ 0.000000e+00, %ELSE ]
%max.0.i = call float @llvm.maxnum.f32(float %temp.0, float 0.000000e+00)
%clamp.i = call float @llvm.minnum.f32(float %max.0.i, float 1.000000e+00)
%max.0.i3 = call float @llvm.maxnum.f32(float %temp1.0, float 0.000000e+00)
%clamp.i4 = call float @llvm.minnum.f32(float %max.0.i3, float 1.000000e+00)
%max.0.i1 = call float @llvm.maxnum.f32(float %temp2.0, float 0.000000e+00)
%clamp.i2 = call float @llvm.minnum.f32(float %max.0.i1, float 1.000000e+00)
%tmp31 = insertelement <4 x float> undef, float %clamp.i, i32 0
%tmp32 = insertelement <4 x float> %tmp31, float %clamp.i4, i32 1
%tmp33 = insertelement <4 x float> %tmp32, float %clamp.i2, i32 2
%tmp34 = insertelement <4 x float> %tmp33, float 1.000000e+00, i32 3
call void @llvm.r600.store.swizzle(<4 x float> %tmp34, i32 0, i32 0)
ret void
ELSE17: ; preds = %ELSE
%tmp35 = fadd float 0.000000e+00, 0x3FC99999A0000000
%tmp36 = fadd float 0.000000e+00, 0x3FC99999A0000000
%tmp37 = fadd float 0.000000e+00, 0x3FC99999A0000000
%tmp38 = fadd float %tmp35, 0x3FC99999A0000000
%tmp39 = fadd float %tmp36, 0x3FC99999A0000000
%tmp40 = fadd float %tmp37, 0x3FC99999A0000000
%tmp41 = fadd float %tmp38, 0x3FC99999A0000000
%tmp42 = fadd float %tmp39, 0x3FC99999A0000000
%tmp43 = fadd float %tmp40, 0x3FC99999A0000000
%tmp44 = fadd float %tmp41, 0x3FC99999A0000000
%tmp45 = fadd float %tmp42, 0x3FC99999A0000000
%tmp46 = fadd float %tmp43, 0x3FC99999A0000000
%tmp47 = fadd float %tmp44, 0x3FC99999A0000000
%tmp48 = fadd float %tmp45, 0x3FC99999A0000000
%tmp49 = fadd float %tmp46, 0x3FC99999A0000000
br label %ENDIF
}
declare float @llvm.minnum.f32(float, float) #1
declare float @llvm.maxnum.f32(float, float) #1
declare void @llvm.r600.store.swizzle(<4 x float>, i32, i32)
attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }