Home | History | Annotate | Download | only in X86
      1 ; RUN: llc < %s
      2 target triple = "x86_64-mingw"
      3 
      4 ; ModuleID = 'mm.bc'
      5 	%0 = type opaque		; type %0
      6 	%1 = type opaque		; type %1
      7 
      8 define internal fastcc float @computeMipmappingRho(%0* %shaderExecutionStatePtr, i32 %index, <4 x float> %texCoord, <4 x float> %texCoordDX, <4 x float> %texCoordDY) readonly {
      9 indexCheckBlock:
     10 	%indexCmp = icmp ugt i32 %index, 16		; <i1> [#uses=1]
     11 	br i1 %indexCmp, label %zeroReturnBlock, label %primitiveTextureFetchBlock
     12 
     13 primitiveTextureFetchBlock:		; preds = %indexCheckBlock
     14 	%pointerArithmeticTmp = bitcast %0* %shaderExecutionStatePtr to i8*		; <i8*> [#uses=1]
     15 	%pointerArithmeticTmp1 = getelementptr i8* %pointerArithmeticTmp, i64 1808		; <i8*> [#uses=1]
     16 	%pointerArithmeticTmp2 = bitcast i8* %pointerArithmeticTmp1 to %1**		; <%1**> [#uses=1]
     17 	%primitivePtr = load %1** %pointerArithmeticTmp2		; <%1*> [#uses=1]
     18 	%pointerArithmeticTmp3 = bitcast %1* %primitivePtr to i8*		; <i8*> [#uses=1]
     19 	%pointerArithmeticTmp4 = getelementptr i8* %pointerArithmeticTmp3, i64 19408		; <i8*> [#uses=1]
     20 	%pointerArithmeticTmp5 = bitcast i8* %pointerArithmeticTmp4 to %1**		; <%1**> [#uses=1]
     21 	%primitiveTexturePtr = getelementptr %1** %pointerArithmeticTmp5, i32 %index		; <%1**> [#uses=1]
     22 	%primitiveTexturePtr6 = load %1** %primitiveTexturePtr		; <%1*> [#uses=2]
     23 	br label %textureCheckBlock
     24 
     25 textureCheckBlock:		; preds = %primitiveTextureFetchBlock
     26 	%texturePtrInt = ptrtoint %1* %primitiveTexturePtr6 to i64		; <i64> [#uses=1]
     27 	%testTextureNULL = icmp eq i64 %texturePtrInt, 0		; <i1> [#uses=1]
     28 	br i1 %testTextureNULL, label %zeroReturnBlock, label %rhoCalculateBlock
     29 
     30 rhoCalculateBlock:		; preds = %textureCheckBlock
     31 	%pointerArithmeticTmp7 = bitcast %1* %primitiveTexturePtr6 to i8*		; <i8*> [#uses=1]
     32 	%pointerArithmeticTmp8 = getelementptr i8* %pointerArithmeticTmp7, i64 640		; <i8*> [#uses=1]
     33 	%pointerArithmeticTmp9 = bitcast i8* %pointerArithmeticTmp8 to <4 x float>*		; <<4 x float>*> [#uses=1]
     34 	%dimensionsPtr = load <4 x float>* %pointerArithmeticTmp9, align 1		; <<4 x float>> [#uses=2]
     35 	%texDiffDX = fsub <4 x float> %texCoordDX, %texCoord		; <<4 x float>> [#uses=1]
     36 	%texDiffDY = fsub <4 x float> %texCoordDY, %texCoord		; <<4 x float>> [#uses=1]
     37 	%ddx = fmul <4 x float> %texDiffDX, %dimensionsPtr		; <<4 x float>> [#uses=2]
     38 	%ddx10 = fmul <4 x float> %texDiffDY, %dimensionsPtr		; <<4 x float>> [#uses=2]
     39 	%ddxSquared = fmul <4 x float> %ddx, %ddx		; <<4 x float>> [#uses=3]
     40 	%0 = shufflevector <4 x float> %ddxSquared, <4 x float> %ddxSquared, <4 x i32> <i32 1, i32 0, i32 0, i32 0>		; <<4 x float>> [#uses=1]
     41 	%dxSquared = fadd <4 x float> %ddxSquared, %0		; <<4 x float>> [#uses=1]
     42 	%1 = call <4 x float> @llvm.x86.sse.sqrt.ss(<4 x float> %dxSquared)		; <<4 x float>> [#uses=1]
     43 	%ddySquared = fmul <4 x float> %ddx10, %ddx10		; <<4 x float>> [#uses=3]
     44 	%2 = shufflevector <4 x float> %ddySquared, <4 x float> %ddySquared, <4 x i32> <i32 1, i32 0, i32 0, i32 0>		; <<4 x float>> [#uses=1]
     45 	%dySquared = fadd <4 x float> %ddySquared, %2		; <<4 x float>> [#uses=1]
     46 	%3 = call <4 x float> @llvm.x86.sse.sqrt.ss(<4 x float> %dySquared)		; <<4 x float>> [#uses=1]
     47 	%4 = call <4 x float> @llvm.x86.sse.max.ss(<4 x float> %1, <4 x float> %3)		; <<4 x float>> [#uses=1]
     48 	%rho = extractelement <4 x float> %4, i32 0		; <float> [#uses=1]
     49 	ret float %rho
     50 
     51 zeroReturnBlock:		; preds = %textureCheckBlock, %indexCheckBlock
     52 	ret float 0.000000e+00
     53 }
     54 
     55 declare <4 x float> @llvm.x86.sse.sqrt.ss(<4 x float>) nounwind readnone
     56 
     57 declare <4 x float> @llvm.x86.sse.max.ss(<4 x float>, <4 x float>) nounwind readnone
     58