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1; RUN: llc -fp-contract=fast -O3 -mtriple=hexagon -mcpu=hexagonv5 < %s2; REQUIRES: asserts3 4; Test that the pipeliner doesn't ICE due because the PHI generation5; code in the epilog does not attempt to reuse an existing PHI.6 7define void @test(ptr noalias %srcImg, i32 %width, ptr noalias %dstImg) {8entry.split:9 %shr = lshr i32 %width, 110 %incdec.ptr253 = getelementptr inbounds float, ptr %dstImg, i32 211 br i1 undef, label %for.body, label %for.end12 13for.body:14 %dst.21518.reg2mem.0 = phi ptr [ null, %while.end712 ], [ %incdec.ptr253, %entry.split ]15 %dstEnd.01519 = phi ptr [ %add.ptr725, %while.end712 ], [ undef, %entry.split ]16 %add.ptr367 = getelementptr inbounds float, ptr %srcImg, i32 undef17 %dst.31487 = getelementptr inbounds float, ptr %dst.21518.reg2mem.0, i32 118 br i1 undef, label %while.body661.preheader, label %while.end71219 20while.body661.preheader:21 %scevgep1941 = getelementptr float, ptr %add.ptr367, i32 122 br label %while.body661.ur23 24while.body661.ur:25 %lsr.iv1942 = phi ptr [ %scevgep1941, %while.body661.preheader ], [ undef, %while.body661.ur ]26 %col1.31508.reg2mem.0.ur = phi float [ %col3.31506.reg2mem.0.ur, %while.body661.ur ], [ undef, %while.body661.preheader ]27 %col4.31507.reg2mem.0.ur = phi float [ %add710.ur, %while.body661.ur ], [ 0.000000e+00, %while.body661.preheader ]28 %col3.31506.reg2mem.0.ur = phi float [ %add689.ur, %while.body661.ur ], [ undef, %while.body661.preheader ]29 %dst.41511.ur = phi ptr [ %incdec.ptr674.ur, %while.body661.ur ], [ %dst.31487, %while.body661.preheader ]30 %mul662.ur = fmul float %col1.31508.reg2mem.0.ur, 4.000000e+0031 %add663.ur = fadd float undef, %mul662.ur32 %add665.ur = fadd float %add663.ur, undef33 %add667.ur = fadd float undef, %add665.ur34 %add669.ur = fadd float undef, %add667.ur35 %add670.ur = fadd float %col4.31507.reg2mem.0.ur, %add669.ur36 %conv673.ur = fmul float %add670.ur, 3.906250e-0337 %incdec.ptr674.ur = getelementptr inbounds float, ptr %dst.41511.ur, i32 138 store float %conv673.ur, ptr %dst.41511.ur, align 439 %scevgep1959 = getelementptr float, ptr %lsr.iv1942, i32 -140 %0 = load float, ptr %scevgep1959, align 441 %mul680.ur = fmul float %0, 4.000000e+0042 %add681.ur = fadd float undef, %mul680.ur43 %add684.ur = fadd float undef, %add681.ur44 %add687.ur = fadd float undef, %add684.ur45 %add689.ur = fadd float undef, %add687.ur46 %add699.ur = fadd float undef, undef47 %add703.ur = fadd float undef, %add699.ur48 %add707.ur = fadd float undef, %add703.ur49 %add710.ur = fadd float undef, %add707.ur50 %cmp660.ur = icmp ult ptr %incdec.ptr674.ur, %dstEnd.0151951 br i1 %cmp660.ur, label %while.body661.ur, label %while.end71252 53while.end712:54 %dst.4.lcssa.reg2mem.0 = phi ptr [ %dst.31487, %for.body ], [ undef, %while.body661.ur ]55 %conv721 = fpext float undef to double56 %mul722 = fmul double %conv721, 0x3F7111112119E8FB57 %conv723 = fptrunc double %mul722 to float58 store float %conv723, ptr %dst.4.lcssa.reg2mem.0, align 459 %add.ptr725 = getelementptr inbounds float, ptr %dstEnd.01519, i32 %shr60 %cmp259 = icmp ult i32 undef, undef61 br i1 %cmp259, label %for.body, label %for.end62 63for.end:64 ret void65}66