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56 lines
2.3 KiB

;RUN: llc < %s -march=r600 -mcpu=cayman -stress-sched -verify-misched -verify-machineinstrs
;REQUIRES: asserts
define void @main() {
main_body:
%0 = load <4 x float>, <4 x float> addrspace(9)* null
%1 = extractelement <4 x float> %0, i32 3
%2 = fptosi float %1 to i32
%3 = bitcast i32 %2 to float
%4 = load <4 x float>, <4 x float> addrspace(9)* null
%5 = extractelement <4 x float> %4, i32 0
%6 = load <4 x float>, <4 x float> addrspace(9)* null
%7 = extractelement <4 x float> %6, i32 1
%8 = load <4 x float>, <4 x float> addrspace(9)* null
%9 = extractelement <4 x float> %8, i32 2
br label %LOOP
LOOP: ; preds = %ENDIF, %main_body
%temp4.0 = phi float [ %5, %main_body ], [ %temp5.0, %ENDIF ]
%temp5.0 = phi float [ %7, %main_body ], [ %temp6.0, %ENDIF ]
%temp6.0 = phi float [ %9, %main_body ], [ %temp4.0, %ENDIF ]
%temp8.0 = phi float [ 0.000000e+00, %main_body ], [ %27, %ENDIF ]
%10 = bitcast float %temp8.0 to i32
%11 = bitcast float %3 to i32
%12 = icmp sge i32 %10, %11
%13 = sext i1 %12 to i32
%14 = bitcast i32 %13 to float
%15 = bitcast float %14 to i32
%16 = icmp ne i32 %15, 0
br i1 %16, label %IF, label %ENDIF
IF: ; preds = %LOOP
%17 = call float @llvm.AMDGPU.clamp.f32(float %temp4.0, float 0.000000e+00, float 1.000000e+00)
%18 = call float @llvm.AMDGPU.clamp.f32(float %temp5.0, float 0.000000e+00, float 1.000000e+00)
%19 = call float @llvm.AMDGPU.clamp.f32(float %temp6.0, float 0.000000e+00, float 1.000000e+00)
%20 = call float @llvm.AMDGPU.clamp.f32(float 1.000000e+00, float 0.000000e+00, float 1.000000e+00)
%21 = insertelement <4 x float> undef, float %17, i32 0
%22 = insertelement <4 x float> %21, float %18, i32 1
%23 = insertelement <4 x float> %22, float %19, i32 2
%24 = insertelement <4 x float> %23, float %20, i32 3
call void @llvm.R600.store.swizzle(<4 x float> %24, i32 0, i32 0)
ret void
ENDIF: ; preds = %LOOP
%25 = bitcast float %temp8.0 to i32
%26 = add i32 %25, 1
%27 = bitcast i32 %26 to float
br label %LOOP
}
declare float @llvm.AMDGPU.clamp.f32(float, float, float) #0
declare void @llvm.R600.store.swizzle(<4 x float>, i32, i32)
attributes #0 = { readnone }