Home | History | Annotate | Download | only in InstCombine
      1 ; RUN: opt < %s -instcombine -S | FileCheck %s
      2 
      3 ; This turns into a&1 != 0
      4 define <2 x i1> @test1(<2 x i64> %a) {
      5   %t = trunc <2 x i64> %a to <2 x i1>
      6   ret <2 x i1> %t
      7 
      8 ; CHECK: @test1
      9 ; CHECK:   and <2 x i64> %a, <i64 1, i64 1>
     10 ; CHECK:   icmp ne <2 x i64> %1, zeroinitializer
     11 }
     12 
     13 ; The ashr turns into an lshr.
     14 define <2 x i64> @test2(<2 x i64> %a) {
     15   %b = and <2 x i64> %a, <i64 65535, i64 65535>
     16   %t = ashr <2 x i64> %b, <i64 1, i64 1>
     17   ret <2 x i64> %t
     18 
     19 ; CHECK: @test2
     20 ; CHECK:   and <2 x i64> %a, <i64 65535, i64 65535>
     21 ; CHECK:   lshr <2 x i64> %b, <i64 1, i64 1>
     22 }
     23 
     24 
     25 
     26 define <2 x i64> @test3(<4 x float> %a, <4 x float> %b) nounwind readnone {
     27 entry:
     28 	%cmp = fcmp ord <4 x float> %a, zeroinitializer	
     29 	%sext = sext <4 x i1> %cmp to <4 x i32>	
     30 	%cmp4 = fcmp ord <4 x float> %b, zeroinitializer
     31 	%sext5 = sext <4 x i1> %cmp4 to <4 x i32>
     32 	%and = and <4 x i32> %sext, %sext5
     33 	%conv = bitcast <4 x i32> %and to <2 x i64>
     34 	ret <2 x i64> %conv
     35         
     36 ; CHECK: @test3
     37 ; CHECK:   fcmp ord <4 x float> %a, %b
     38 }
     39 
     40 define <2 x i64> @test4(<4 x float> %a, <4 x float> %b) nounwind readnone {
     41 entry:
     42 	%cmp = fcmp uno <4 x float> %a, zeroinitializer
     43 	%sext = sext <4 x i1> %cmp to <4 x i32>
     44 	%cmp4 = fcmp uno <4 x float> %b, zeroinitializer
     45 	%sext5 = sext <4 x i1> %cmp4 to <4 x i32>
     46 	%or = or <4 x i32> %sext, %sext5
     47 	%conv = bitcast <4 x i32> %or to <2 x i64>
     48 	ret <2 x i64> %conv
     49 ; CHECK: @test4
     50 ; CHECK:   fcmp uno <4 x float> %a, %b
     51 }
     52 
     53 
     54 ; rdar://7434900
     55 define <2 x i64> @test5(<4 x float> %a, <4 x float> %b) nounwind readnone {
     56 entry:
     57 	%cmp = fcmp ult <4 x float> %a, zeroinitializer	
     58 	%sext = sext <4 x i1> %cmp to <4 x i32>	
     59 	%cmp4 = fcmp ult <4 x float> %b, zeroinitializer
     60 	%sext5 = sext <4 x i1> %cmp4 to <4 x i32>
     61 	%and = and <4 x i32> %sext, %sext5
     62 	%conv = bitcast <4 x i32> %and to <2 x i64>
     63 	ret <2 x i64> %conv
     64         
     65 ; CHECK: @test5
     66 ; CHECK:   sext <4 x i1> %cmp to <4 x i32>	
     67 ; CHECK:   sext <4 x i1> %cmp4 to <4 x i32>	
     68 }
     69 
     70 
     71 define void @convert(<2 x i32>* %dst.addr, <2 x i64> %src) nounwind {
     72 entry:
     73   %val = trunc <2 x i64> %src to <2 x i32>
     74   %add = add <2 x i32> %val, <i32 1, i32 1>
     75   store <2 x i32> %add, <2 x i32>* %dst.addr
     76   ret void
     77 }
     78 
     79 define <2 x i65> @foo(<2 x i64> %t) {
     80   %a = trunc <2 x i64> %t to <2 x i32>
     81   %b = zext <2 x i32> %a to <2 x i65>
     82   ret <2 x i65> %b
     83 }
     84 define <2 x i64> @bar(<2 x i65> %t) {
     85   %a = trunc <2 x i65> %t to <2 x i32>
     86   %b = zext <2 x i32> %a to <2 x i64>
     87   ret <2 x i64> %b
     88 }
     89 define <2 x i65> @foos(<2 x i64> %t) {
     90   %a = trunc <2 x i64> %t to <2 x i32>
     91   %b = sext <2 x i32> %a to <2 x i65>
     92   ret <2 x i65> %b
     93 }
     94 define <2 x i64> @bars(<2 x i65> %t) {
     95   %a = trunc <2 x i65> %t to <2 x i32>
     96   %b = sext <2 x i32> %a to <2 x i64>
     97   ret <2 x i64> %b
     98 }
     99 define <2 x i64> @quxs(<2 x i64> %t) {
    100   %a = trunc <2 x i64> %t to <2 x i32>
    101   %b = sext <2 x i32> %a to <2 x i64>
    102   ret <2 x i64> %b
    103 }
    104 define <2 x i64> @quxt(<2 x i64> %t) {
    105   %a = shl <2 x i64> %t, <i64 32, i64 32>
    106   %b = ashr <2 x i64> %a, <i64 32, i64 32>
    107   ret <2 x i64> %b
    108 }
    109 define <2 x double> @fa(<2 x double> %t) {
    110   %a = fptrunc <2 x double> %t to <2 x float>
    111   %b = fpext <2 x float> %a to <2 x double>
    112   ret <2 x double> %b
    113 }
    114 define <2 x double> @fb(<2 x double> %t) {
    115   %a = fptoui <2 x double> %t to <2 x i64>
    116   %b = uitofp <2 x i64> %a to <2 x double>
    117   ret <2 x double> %b
    118 }
    119 define <2 x double> @fc(<2 x double> %t) {
    120   %a = fptosi <2 x double> %t to <2 x i64>
    121   %b = sitofp <2 x i64> %a to <2 x double>
    122   ret <2 x double> %b
    123 }
    124 
    125 ; PR9228
    126 ; This was a crasher, so no CHECK statements.
    127 define <4 x float> @f(i32 %a) nounwind alwaysinline {
    128 ; CHECK: @f
    129 entry:
    130   %dim = insertelement <4 x i32> undef, i32 %a, i32 0
    131   %dim30 = insertelement <4 x i32> %dim, i32 %a, i32 1
    132   %dim31 = insertelement <4 x i32> %dim30, i32 %a, i32 2
    133   %dim32 = insertelement <4 x i32> %dim31, i32 %a, i32 3
    134 
    135   %offset_ptr = getelementptr <4 x float>* null, i32 1
    136   %offset_int = ptrtoint <4 x float>* %offset_ptr to i64
    137   %sizeof32 = trunc i64 %offset_int to i32
    138 
    139   %smearinsert33 = insertelement <4 x i32> undef, i32 %sizeof32, i32 0
    140   %smearinsert34 = insertelement <4 x i32> %smearinsert33, i32 %sizeof32, i32 1
    141   %smearinsert35 = insertelement <4 x i32> %smearinsert34, i32 %sizeof32, i32 2
    142   %smearinsert36 = insertelement <4 x i32> %smearinsert35, i32 %sizeof32, i32 3
    143 
    144   %delta_scale = mul <4 x i32> %dim32, %smearinsert36
    145   %offset_delta = add <4 x i32> zeroinitializer, %delta_scale
    146 
    147   %offset_varying_delta = add <4 x i32> %offset_delta, undef
    148 
    149   ret <4 x float> undef
    150 }
    151 
    152