| ; RUN: llc < %s |
| target triple = "x86_64-mingw" |
| |
| ; ModuleID = 'mm.bc' |
| %0 = type opaque ; type %0 |
| %1 = type opaque ; type %1 |
| |
| define internal fastcc float @computeMipmappingRho(ptr %shaderExecutionStatePtr, i32 %index, <4 x float> %texCoord, <4 x float> %texCoordDX, <4 x float> %texCoordDY) readonly { |
| indexCheckBlock: |
| %indexCmp = icmp ugt i32 %index, 16 ; <i1> [#uses=1] |
| br i1 %indexCmp, label %zeroReturnBlock, label %primitiveTextureFetchBlock |
| |
| primitiveTextureFetchBlock: ; preds = %indexCheckBlock |
| %pointerArithmeticTmp1 = getelementptr i8, ptr %shaderExecutionStatePtr, i64 1808 ; <ptr> [#uses=1] |
| %primitivePtr = load ptr, ptr %pointerArithmeticTmp1 ; <ptr> [#uses=1] |
| %pointerArithmeticTmp4 = getelementptr i8, ptr %primitivePtr, i64 19408 ; <ptr> [#uses=1] |
| %primitiveTexturePtr = getelementptr ptr, ptr %pointerArithmeticTmp4, i32 %index ; <ptr> [#uses=1] |
| %primitiveTexturePtr6 = load ptr, ptr %primitiveTexturePtr ; <ptr> [#uses=2] |
| br label %textureCheckBlock |
| |
| textureCheckBlock: ; preds = %primitiveTextureFetchBlock |
| %texturePtrInt = ptrtoint ptr %primitiveTexturePtr6 to i64 ; <i64> [#uses=1] |
| %testTextureNULL = icmp eq i64 %texturePtrInt, 0 ; <i1> [#uses=1] |
| br i1 %testTextureNULL, label %zeroReturnBlock, label %rhoCalculateBlock |
| |
| rhoCalculateBlock: ; preds = %textureCheckBlock |
| %pointerArithmeticTmp8 = getelementptr i8, ptr %primitiveTexturePtr6, i64 640 ; <ptr> [#uses=1] |
| %dimensionsPtr = load <4 x float>, ptr %pointerArithmeticTmp8, align 1 ; <<4 x float>> [#uses=2] |
| %texDiffDX = fsub <4 x float> %texCoordDX, %texCoord ; <<4 x float>> [#uses=1] |
| %texDiffDY = fsub <4 x float> %texCoordDY, %texCoord ; <<4 x float>> [#uses=1] |
| %ddx = fmul <4 x float> %texDiffDX, %dimensionsPtr ; <<4 x float>> [#uses=2] |
| %ddx10 = fmul <4 x float> %texDiffDY, %dimensionsPtr ; <<4 x float>> [#uses=2] |
| %ddxSquared = fmul <4 x float> %ddx, %ddx ; <<4 x float>> [#uses=3] |
| %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] |
| %dxSquared = fadd <4 x float> %ddxSquared, %0 ; <<4 x float>> [#uses=1] |
| %1 = call <4 x float> @llvm.x86.sse.sqrt.ss(<4 x float> %dxSquared) ; <<4 x float>> [#uses=1] |
| %ddySquared = fmul <4 x float> %ddx10, %ddx10 ; <<4 x float>> [#uses=3] |
| %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] |
| %dySquared = fadd <4 x float> %ddySquared, %2 ; <<4 x float>> [#uses=1] |
| %3 = call <4 x float> @llvm.x86.sse.sqrt.ss(<4 x float> %dySquared) ; <<4 x float>> [#uses=1] |
| %4 = call <4 x float> @llvm.x86.sse.max.ss(<4 x float> %1, <4 x float> %3) ; <<4 x float>> [#uses=1] |
| %rho = extractelement <4 x float> %4, i32 0 ; <float> [#uses=1] |
| ret float %rho |
| |
| zeroReturnBlock: ; preds = %textureCheckBlock, %indexCheckBlock |
| ret float 0.000000e+00 |
| } |
| |
| declare <4 x float> @llvm.x86.sse.sqrt.ss(<4 x float>) nounwind readnone |
| |
| declare <4 x float> @llvm.x86.sse.max.ss(<4 x float>, <4 x float>) nounwind readnone |