1 ; RUN: llc -fp-contract=fast -O3 -march=hexagon -mcpu=hexagonv5 < %s 2 ; REQUIRES: asserts 3 4 ; Test that the pipeliner doesn't ICE due because the PHI generation 5 ; code in the epilog does not attempt to reuse an existing PHI. 6 7 define void @test(float* noalias %srcImg, i32 %width, float* noalias %dstImg) { 8 entry.split: 9 %shr = lshr i32 %width, 1 10 %incdec.ptr253 = getelementptr inbounds float, float* %dstImg, i32 2 11 br i1 undef, label %for.body, label %for.end 12 13 for.body: 14 %dst.21518.reg2mem.0 = phi float* [ null, %while.end712 ], [ %incdec.ptr253, %entry.split ] 15 %dstEnd.01519 = phi float* [ %add.ptr725, %while.end712 ], [ undef, %entry.split ] 16 %add.ptr367 = getelementptr inbounds float, float* %srcImg, i32 undef 17 %dst.31487 = getelementptr inbounds float, float* %dst.21518.reg2mem.0, i32 1 18 br i1 undef, label %while.body661.preheader, label %while.end712 19 20 while.body661.preheader: 21 %scevgep1941 = getelementptr float, float* %add.ptr367, i32 1 22 br label %while.body661.ur 23 24 while.body661.ur: 25 %lsr.iv1942 = phi float* [ %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 float* [ %incdec.ptr674.ur, %while.body661.ur ], [ %dst.31487, %while.body661.preheader ] 30 %mul662.ur = fmul float %col1.31508.reg2mem.0.ur, 4.000000e+00 31 %add663.ur = fadd float undef, %mul662.ur 32 %add665.ur = fadd float %add663.ur, undef 33 %add667.ur = fadd float undef, %add665.ur 34 %add669.ur = fadd float undef, %add667.ur 35 %add670.ur = fadd float %col4.31507.reg2mem.0.ur, %add669.ur 36 %conv673.ur = fmul float %add670.ur, 3.906250e-03 37 %incdec.ptr674.ur = getelementptr inbounds float, float* %dst.41511.ur, i32 1 38 store float %conv673.ur, float* %dst.41511.ur, align 4 39 %scevgep1959 = getelementptr float, float* %lsr.iv1942, i32 -1 40 %0 = load float, float* %scevgep1959, align 4 41 %mul680.ur = fmul float %0, 4.000000e+00 42 %add681.ur = fadd float undef, %mul680.ur 43 %add684.ur = fadd float undef, %add681.ur 44 %add687.ur = fadd float undef, %add684.ur 45 %add689.ur = fadd float undef, %add687.ur 46 %add699.ur = fadd float undef, undef 47 %add703.ur = fadd float undef, %add699.ur 48 %add707.ur = fadd float undef, %add703.ur 49 %add710.ur = fadd float undef, %add707.ur 50 %cmp660.ur = icmp ult float* %incdec.ptr674.ur, %dstEnd.01519 51 br i1 %cmp660.ur, label %while.body661.ur, label %while.end712 52 53 while.end712: 54 %dst.4.lcssa.reg2mem.0 = phi float* [ %dst.31487, %for.body ], [ undef, %while.body661.ur ] 55 %conv721 = fpext float undef to double 56 %mul722 = fmul double %conv721, 0x3F7111112119E8FB 57 %conv723 = fptrunc double %mul722 to float 58 store float %conv723, float* %dst.4.lcssa.reg2mem.0, align 4 59 %add.ptr725 = getelementptr inbounds float, float* %dstEnd.01519, i32 %shr 60 %cmp259 = icmp ult i32 undef, undef 61 br i1 %cmp259, label %for.body, label %for.end 62 63 for.end: 64 ret void 65 } 66
