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; 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
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