Ehsan Amiri | a538b0f | 2016-08-03 18:17:35 +0000 | [diff] [blame] | 1 | ; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -mattr=-vsx | FileCheck %s |
| 2 | ; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -enable-no-infs-fp-math -enable-no-nans-fp-math -mattr=-vsx | FileCheck -check-prefix=CHECK-FM %s |
| 3 | ; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -enable-no-infs-fp-math -enable-no-nans-fp-math -mattr=+vsx | FileCheck -check-prefix=CHECK-FM-VSX %s |
Hal Finkel | 81f8799 | 2013-04-07 22:11:09 +0000 | [diff] [blame] | 4 | target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64" |
| 5 | target triple = "powerpc64-unknown-linux-gnu" |
| 6 | |
| 7 | define double @zerocmp1(double %a, double %y, double %z) #0 { |
| 8 | entry: |
| 9 | %cmp = fcmp ult double %a, 0.000000e+00 |
| 10 | %z.y = select i1 %cmp, double %z, double %y |
| 11 | ret double %z.y |
| 12 | |
| 13 | ; CHECK: @zerocmp1 |
| 14 | ; CHECK-NOT: fsel |
| 15 | ; CHECK: blr |
| 16 | |
| 17 | ; CHECK-FM: @zerocmp1 |
| 18 | ; CHECK-FM: fsel 1, 1, 2, 3 |
| 19 | ; CHECK-FM: blr |
Bill Schmidt | 32e9c64 | 2014-10-17 01:41:22 +0000 | [diff] [blame] | 20 | |
| 21 | ; CHECK-FM-VSX: @zerocmp1 |
| 22 | ; CHECK-FM-VSX: fsel 1, 1, 2, 3 |
| 23 | ; CHECK-FM-VSX: blr |
Hal Finkel | 81f8799 | 2013-04-07 22:11:09 +0000 | [diff] [blame] | 24 | } |
| 25 | |
| 26 | define double @zerocmp2(double %a, double %y, double %z) #0 { |
| 27 | entry: |
| 28 | %cmp = fcmp ogt double %a, 0.000000e+00 |
| 29 | %y.z = select i1 %cmp, double %y, double %z |
| 30 | ret double %y.z |
| 31 | |
| 32 | ; CHECK: @zerocmp2 |
| 33 | ; CHECK-NOT: fsel |
| 34 | ; CHECK: blr |
| 35 | |
| 36 | ; CHECK-FM: @zerocmp2 |
| 37 | ; CHECK-FM: fneg [[REG:[0-9]+]], 1 |
| 38 | ; CHECK-FM: fsel 1, [[REG]], 3, 2 |
| 39 | ; CHECK-FM: blr |
Bill Schmidt | 32e9c64 | 2014-10-17 01:41:22 +0000 | [diff] [blame] | 40 | |
| 41 | ; CHECK-FM-VSX: @zerocmp2 |
| 42 | ; CHECK-FM-VSX: xsnegdp [[REG:[0-9]+]], 1 |
| 43 | ; CHECK-FM-VSX: fsel 1, [[REG]], 3, 2 |
| 44 | ; CHECK-FM-VSX: blr |
Hal Finkel | 81f8799 | 2013-04-07 22:11:09 +0000 | [diff] [blame] | 45 | } |
| 46 | |
| 47 | define double @zerocmp3(double %a, double %y, double %z) #0 { |
| 48 | entry: |
| 49 | %cmp = fcmp oeq double %a, 0.000000e+00 |
| 50 | %y.z = select i1 %cmp, double %y, double %z |
| 51 | ret double %y.z |
| 52 | |
| 53 | ; CHECK: @zerocmp3 |
| 54 | ; CHECK-NOT: fsel |
| 55 | ; CHECK: blr |
| 56 | |
| 57 | ; CHECK-FM: @zerocmp3 |
| 58 | ; CHECK-FM: fsel [[REG:[0-9]+]], 1, 2, 3 |
| 59 | ; CHECK-FM: fneg [[REG2:[0-9]+]], 1 |
| 60 | ; CHECK-FM: fsel 1, [[REG2]], [[REG]], 3 |
| 61 | ; CHECK-FM: blr |
Bill Schmidt | 32e9c64 | 2014-10-17 01:41:22 +0000 | [diff] [blame] | 62 | |
| 63 | ; CHECK-FM-VSX: @zerocmp3 |
| 64 | ; CHECK-FM-VSX: xsnegdp [[REG2:[0-9]+]], 1 |
| 65 | ; CHECK-FM-VSX: fsel [[REG:[0-9]+]], 1, 2, 3 |
| 66 | ; CHECK-FM-VSX: fsel 1, [[REG2]], [[REG]], 3 |
| 67 | ; CHECK-FM-VSX: blr |
Hal Finkel | 81f8799 | 2013-04-07 22:11:09 +0000 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | define double @min1(double %a, double %b) #0 { |
| 71 | entry: |
| 72 | %cmp = fcmp ole double %a, %b |
| 73 | %cond = select i1 %cmp, double %a, double %b |
| 74 | ret double %cond |
| 75 | |
| 76 | ; CHECK: @min1 |
| 77 | ; CHECK-NOT: fsel |
| 78 | ; CHECK: blr |
| 79 | |
| 80 | ; CHECK-FM: @min1 |
| 81 | ; CHECK-FM: fsub [[REG:[0-9]+]], 2, 1 |
| 82 | ; CHECK-FM: fsel 1, [[REG]], 1, 2 |
| 83 | ; CHECK-FM: blr |
Bill Schmidt | 32e9c64 | 2014-10-17 01:41:22 +0000 | [diff] [blame] | 84 | |
| 85 | ; CHECK-FM-VSX: @min1 |
| 86 | ; CHECK-FM-VSX: xssubdp [[REG:[0-9]+]], 2, 1 |
| 87 | ; CHECK-FM-VSX: fsel 1, [[REG]], 1, 2 |
| 88 | ; CHECK-FM-VSX: blr |
Hal Finkel | 81f8799 | 2013-04-07 22:11:09 +0000 | [diff] [blame] | 89 | } |
| 90 | |
| 91 | define double @max1(double %a, double %b) #0 { |
| 92 | entry: |
| 93 | %cmp = fcmp oge double %a, %b |
| 94 | %cond = select i1 %cmp, double %a, double %b |
| 95 | ret double %cond |
| 96 | |
| 97 | ; CHECK: @max1 |
| 98 | ; CHECK-NOT: fsel |
| 99 | ; CHECK: blr |
| 100 | |
| 101 | ; CHECK-FM: @max1 |
| 102 | ; CHECK-FM: fsub [[REG:[0-9]+]], 1, 2 |
| 103 | ; CHECK-FM: fsel 1, [[REG]], 1, 2 |
| 104 | ; CHECK-FM: blr |
Bill Schmidt | 32e9c64 | 2014-10-17 01:41:22 +0000 | [diff] [blame] | 105 | |
| 106 | ; CHECK-FM-VSX: @max1 |
| 107 | ; CHECK-FM-VSX: xssubdp [[REG:[0-9]+]], 1, 2 |
| 108 | ; CHECK-FM-VSX: fsel 1, [[REG]], 1, 2 |
| 109 | ; CHECK-FM-VSX: blr |
Hal Finkel | 81f8799 | 2013-04-07 22:11:09 +0000 | [diff] [blame] | 110 | } |
| 111 | |
| 112 | define double @cmp1(double %a, double %b, double %y, double %z) #0 { |
| 113 | entry: |
| 114 | %cmp = fcmp ult double %a, %b |
| 115 | %z.y = select i1 %cmp, double %z, double %y |
| 116 | ret double %z.y |
| 117 | |
| 118 | ; CHECK: @cmp1 |
| 119 | ; CHECK-NOT: fsel |
| 120 | ; CHECK: blr |
| 121 | |
| 122 | ; CHECK-FM: @cmp1 |
| 123 | ; CHECK-FM: fsub [[REG:[0-9]+]], 1, 2 |
| 124 | ; CHECK-FM: fsel 1, [[REG]], 3, 4 |
| 125 | ; CHECK-FM: blr |
Bill Schmidt | 32e9c64 | 2014-10-17 01:41:22 +0000 | [diff] [blame] | 126 | |
| 127 | ; CHECK-FM-VSX: @cmp1 |
| 128 | ; CHECK-FM-VSX: xssubdp [[REG:[0-9]+]], 1, 2 |
| 129 | ; CHECK-FM-VSX: fsel 1, [[REG]], 3, 4 |
| 130 | ; CHECK-FM-VSX: blr |
Hal Finkel | 81f8799 | 2013-04-07 22:11:09 +0000 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | define double @cmp2(double %a, double %b, double %y, double %z) #0 { |
| 134 | entry: |
| 135 | %cmp = fcmp ogt double %a, %b |
| 136 | %y.z = select i1 %cmp, double %y, double %z |
| 137 | ret double %y.z |
| 138 | |
| 139 | ; CHECK: @cmp2 |
| 140 | ; CHECK-NOT: fsel |
| 141 | ; CHECK: blr |
| 142 | |
| 143 | ; CHECK-FM: @cmp2 |
| 144 | ; CHECK-FM: fsub [[REG:[0-9]+]], 2, 1 |
| 145 | ; CHECK-FM: fsel 1, [[REG]], 4, 3 |
| 146 | ; CHECK-FM: blr |
Bill Schmidt | 32e9c64 | 2014-10-17 01:41:22 +0000 | [diff] [blame] | 147 | |
| 148 | ; CHECK-FM-VSX: @cmp2 |
| 149 | ; CHECK-FM-VSX: xssubdp [[REG:[0-9]+]], 2, 1 |
| 150 | ; CHECK-FM-VSX: fsel 1, [[REG]], 4, 3 |
| 151 | ; CHECK-FM-VSX: blr |
Hal Finkel | 81f8799 | 2013-04-07 22:11:09 +0000 | [diff] [blame] | 152 | } |
| 153 | |
| 154 | define double @cmp3(double %a, double %b, double %y, double %z) #0 { |
| 155 | entry: |
| 156 | %cmp = fcmp oeq double %a, %b |
| 157 | %y.z = select i1 %cmp, double %y, double %z |
| 158 | ret double %y.z |
| 159 | |
| 160 | ; CHECK: @cmp3 |
| 161 | ; CHECK-NOT: fsel |
| 162 | ; CHECK: blr |
| 163 | |
| 164 | ; CHECK-FM: @cmp3 |
| 165 | ; CHECK-FM: fsub [[REG:[0-9]+]], 1, 2 |
| 166 | ; CHECK-FM: fsel [[REG2:[0-9]+]], [[REG]], 3, 4 |
| 167 | ; CHECK-FM: fneg [[REG3:[0-9]+]], [[REG]] |
| 168 | ; CHECK-FM: fsel 1, [[REG3]], [[REG2]], 4 |
| 169 | ; CHECK-FM: blr |
Bill Schmidt | 32e9c64 | 2014-10-17 01:41:22 +0000 | [diff] [blame] | 170 | |
| 171 | ; CHECK-FM-VSX: @cmp3 |
| 172 | ; CHECK-FM-VSX: xssubdp [[REG:[0-9]+]], 1, 2 |
| 173 | ; CHECK-FM-VSX: xsnegdp [[REG3:[0-9]+]], [[REG]] |
| 174 | ; CHECK-FM-VSX: fsel [[REG2:[0-9]+]], [[REG]], 3, 4 |
| 175 | ; CHECK-FM-VSX: fsel 1, [[REG3]], [[REG2]], 4 |
| 176 | ; CHECK-FM-VSX: blr |
Hal Finkel | 81f8799 | 2013-04-07 22:11:09 +0000 | [diff] [blame] | 177 | } |
| 178 | |
| 179 | attributes #0 = { nounwind readnone } |
| 180 | |