[ARM] Teach the cost model that cross-class copies are costly.
Cross-class copies being expensive is actually a trait of the microarchitecture, but as I haven't yet seen an example of a microarchitecture where they're cheap it seems best to just enable this by default, covering the non-mcpu build case. llvm-svn: 217674
This commit is contained in:
James Molloy
parent
92c0601d27
commit
a9f47b6bae
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@ -390,6 +390,13 @@ unsigned ARMTTI::getVectorInstrCost(unsigned Opcode, Type *ValTy,
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ValTy->getScalarSizeInBits() <= 32)
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return 3;
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// Cross-class copies are expensive on many microarchitectures,
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// so assume they are expensive by default.
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if ((Opcode == Instruction::InsertElement ||
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Opcode == Instruction::ExtractElement) &&
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ValTy->getVectorElementType()->isIntegerTy())
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return 3;
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return TargetTransformInfo::getVectorInstrCost(Opcode, ValTy, Index);
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}
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@ -221,35 +221,35 @@ define i32 @casts() {
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%r96 = fptoui <2 x float> undef to <2 x i32>
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; CHECK: cost of 1 {{.*}} fptosi
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%r97 = fptosi <2 x float> undef to <2 x i32>
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; CHECK: cost of 28 {{.*}} fptoui
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; CHECK: cost of 32 {{.*}} fptoui
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%r98 = fptoui <2 x float> undef to <2 x i64>
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; CHECK: cost of 28 {{.*}} fptosi
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; CHECK: cost of 32 {{.*}} fptosi
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%r99 = fptosi <2 x float> undef to <2 x i64>
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; CHECK: cost of 8 {{.*}} fptoui
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; CHECK: cost of 16 {{.*}} fptoui
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%r100 = fptoui <2 x double> undef to <2 x i1>
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; CHECK: cost of 8 {{.*}} fptosi
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; CHECK: cost of 16 {{.*}} fptosi
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%r101 = fptosi <2 x double> undef to <2 x i1>
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; CHECK: cost of 8 {{.*}} fptoui
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; CHECK: cost of 16 {{.*}} fptoui
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%r102 = fptoui <2 x double> undef to <2 x i8>
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; CHECK: cost of 8 {{.*}} fptosi
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; CHECK: cost of 16 {{.*}} fptosi
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%r103 = fptosi <2 x double> undef to <2 x i8>
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; CHECK: cost of 8 {{.*}} fptoui
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; CHECK: cost of 16 {{.*}} fptoui
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%r104 = fptoui <2 x double> undef to <2 x i16>
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; CHECK: cost of 8 {{.*}} fptosi
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; CHECK: cost of 16 {{.*}} fptosi
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%r105 = fptosi <2 x double> undef to <2 x i16>
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; CHECK: cost of 2 {{.*}} fptoui
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%r106 = fptoui <2 x double> undef to <2 x i32>
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; CHECK: cost of 2 {{.*}} fptosi
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%r107 = fptosi <2 x double> undef to <2 x i32>
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; CHECK: cost of 28 {{.*}} fptoui
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; CHECK: cost of 32 {{.*}} fptoui
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%r108 = fptoui <2 x double> undef to <2 x i64>
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; CHECK: cost of 28 {{.*}} fptosi
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; CHECK: cost of 32 {{.*}} fptosi
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%r109 = fptosi <2 x double> undef to <2 x i64>
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; CHECK: cost of 16 {{.*}} fptoui
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; CHECK: cost of 32 {{.*}} fptoui
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%r110 = fptoui <4 x float> undef to <4 x i1>
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; CHECK: cost of 16 {{.*}} fptosi
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; CHECK: cost of 32 {{.*}} fptosi
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%r111 = fptosi <4 x float> undef to <4 x i1>
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; CHECK: cost of 3 {{.*}} fptoui
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%r112 = fptoui <4 x float> undef to <4 x i8>
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@ -263,39 +263,39 @@ define i32 @casts() {
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%r116 = fptoui <4 x float> undef to <4 x i32>
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; CHECK: cost of 1 {{.*}} fptosi
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%r117 = fptosi <4 x float> undef to <4 x i32>
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; CHECK: cost of 56 {{.*}} fptoui
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; CHECK: cost of 64 {{.*}} fptoui
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%r118 = fptoui <4 x float> undef to <4 x i64>
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; CHECK: cost of 56 {{.*}} fptosi
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; CHECK: cost of 64 {{.*}} fptosi
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%r119 = fptosi <4 x float> undef to <4 x i64>
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; CHECK: cost of 16 {{.*}} fptoui
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; CHECK: cost of 32 {{.*}} fptoui
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%r120 = fptoui <4 x double> undef to <4 x i1>
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; CHECK: cost of 16 {{.*}} fptosi
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; CHECK: cost of 32 {{.*}} fptosi
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%r121 = fptosi <4 x double> undef to <4 x i1>
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; CHECK: cost of 16 {{.*}} fptoui
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; CHECK: cost of 32 {{.*}} fptoui
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%r122 = fptoui <4 x double> undef to <4 x i8>
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; CHECK: cost of 16 {{.*}} fptosi
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; CHECK: cost of 32 {{.*}} fptosi
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%r123 = fptosi <4 x double> undef to <4 x i8>
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; CHECK: cost of 16 {{.*}} fptoui
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; CHECK: cost of 32 {{.*}} fptoui
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%r124 = fptoui <4 x double> undef to <4 x i16>
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; CHECK: cost of 16 {{.*}} fptosi
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; CHECK: cost of 32 {{.*}} fptosi
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%r125 = fptosi <4 x double> undef to <4 x i16>
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; CHECK: cost of 16 {{.*}} fptoui
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; CHECK: cost of 32 {{.*}} fptoui
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%r126 = fptoui <4 x double> undef to <4 x i32>
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; CHECK: cost of 16 {{.*}} fptosi
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; CHECK: cost of 32 {{.*}} fptosi
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%r127 = fptosi <4 x double> undef to <4 x i32>
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; CHECK: cost of 56 {{.*}} fptoui
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; CHECK: cost of 64 {{.*}} fptoui
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%r128 = fptoui <4 x double> undef to <4 x i64>
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; CHECK: cost of 56 {{.*}} fptosi
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; CHECK: cost of 64 {{.*}} fptosi
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%r129 = fptosi <4 x double> undef to <4 x i64>
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; CHECK: cost of 32 {{.*}} fptoui
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; CHECK: cost of 64 {{.*}} fptoui
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%r130 = fptoui <8 x float> undef to <8 x i1>
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; CHECK: cost of 32 {{.*}} fptosi
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; CHECK: cost of 64 {{.*}} fptosi
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%r131 = fptosi <8 x float> undef to <8 x i1>
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; CHECK: cost of 32 {{.*}} fptoui
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; CHECK: cost of 64 {{.*}} fptoui
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%r132 = fptoui <8 x float> undef to <8 x i8>
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; CHECK: cost of 32 {{.*}} fptosi
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; CHECK: cost of 64 {{.*}} fptosi
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%r133 = fptosi <8 x float> undef to <8 x i8>
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; CHECK: cost of 4 {{.*}} fptoui
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%r134 = fptoui <8 x float> undef to <8 x i16>
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@ -305,39 +305,39 @@ define i32 @casts() {
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%r136 = fptoui <8 x float> undef to <8 x i32>
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; CHECK: cost of 2 {{.*}} fptosi
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%r137 = fptosi <8 x float> undef to <8 x i32>
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; CHECK: cost of 112 {{.*}} fptoui
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; CHECK: cost of 128 {{.*}} fptoui
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%r138 = fptoui <8 x float> undef to <8 x i64>
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; CHECK: cost of 112 {{.*}} fptosi
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; CHECK: cost of 128 {{.*}} fptosi
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%r139 = fptosi <8 x float> undef to <8 x i64>
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; CHECK: cost of 32 {{.*}} fptoui
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; CHECK: cost of 64 {{.*}} fptoui
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%r140 = fptoui <8 x double> undef to <8 x i1>
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; CHECK: cost of 32 {{.*}} fptosi
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; CHECK: cost of 64 {{.*}} fptosi
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%r141 = fptosi <8 x double> undef to <8 x i1>
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; CHECK: cost of 32 {{.*}} fptoui
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; CHECK: cost of 64 {{.*}} fptoui
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%r142 = fptoui <8 x double> undef to <8 x i8>
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; CHECK: cost of 32 {{.*}} fptosi
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; CHECK: cost of 64 {{.*}} fptosi
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%r143 = fptosi <8 x double> undef to <8 x i8>
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; CHECK: cost of 32 {{.*}} fptoui
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; CHECK: cost of 64 {{.*}} fptoui
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%r144 = fptoui <8 x double> undef to <8 x i16>
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; CHECK: cost of 32 {{.*}} fptosi
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; CHECK: cost of 64 {{.*}} fptosi
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%r145 = fptosi <8 x double> undef to <8 x i16>
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; CHECK: cost of 32 {{.*}} fptoui
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; CHECK: cost of 64 {{.*}} fptoui
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%r146 = fptoui <8 x double> undef to <8 x i32>
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; CHECK: cost of 32 {{.*}} fptosi
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; CHECK: cost of 64 {{.*}} fptosi
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%r147 = fptosi <8 x double> undef to <8 x i32>
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; CHECK: cost of 112 {{.*}} fptoui
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; CHECK: cost of 128 {{.*}} fptoui
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%r148 = fptoui <8 x double> undef to <8 x i64>
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; CHECK: cost of 112 {{.*}} fptosi
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; CHECK: cost of 128 {{.*}} fptosi
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%r149 = fptosi <8 x double> undef to <8 x i64>
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; CHECK: cost of 64 {{.*}} fptoui
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; CHECK: cost of 128 {{.*}} fptoui
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%r150 = fptoui <16 x float> undef to <16 x i1>
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; CHECK: cost of 64 {{.*}} fptosi
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; CHECK: cost of 128 {{.*}} fptosi
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%r151 = fptosi <16 x float> undef to <16 x i1>
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; CHECK: cost of 64 {{.*}} fptoui
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; CHECK: cost of 128 {{.*}} fptoui
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%r152 = fptoui <16 x float> undef to <16 x i8>
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; CHECK: cost of 64 {{.*}} fptosi
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; CHECK: cost of 128 {{.*}} fptosi
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%r153 = fptosi <16 x float> undef to <16 x i8>
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; CHECK: cost of 8 {{.*}} fptoui
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%r154 = fptoui <16 x float> undef to <16 x i16>
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@ -347,30 +347,30 @@ define i32 @casts() {
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%r156 = fptoui <16 x float> undef to <16 x i32>
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; CHECK: cost of 4 {{.*}} fptosi
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%r157 = fptosi <16 x float> undef to <16 x i32>
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; CHECK: cost of 224 {{.*}} fptoui
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; CHECK: cost of 256 {{.*}} fptoui
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%r158 = fptoui <16 x float> undef to <16 x i64>
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; CHECK: cost of 224 {{.*}} fptosi
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; CHECK: cost of 256 {{.*}} fptosi
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%r159 = fptosi <16 x float> undef to <16 x i64>
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; CHECK: cost of 64 {{.*}} fptoui
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; CHECK: cost of 128 {{.*}} fptoui
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%r160 = fptoui <16 x double> undef to <16 x i1>
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; CHECK: cost of 64 {{.*}} fptosi
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; CHECK: cost of 128 {{.*}} fptosi
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%r161 = fptosi <16 x double> undef to <16 x i1>
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; CHECK: cost of 64 {{.*}} fptoui
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; CHECK: cost of 128 {{.*}} fptoui
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%r162 = fptoui <16 x double> undef to <16 x i8>
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; CHECK: cost of 64 {{.*}} fptosi
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; CHECK: cost of 128 {{.*}} fptosi
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%r163 = fptosi <16 x double> undef to <16 x i8>
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; CHECK: cost of 64 {{.*}} fptoui
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; CHECK: cost of 128 {{.*}} fptoui
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%r164 = fptoui <16 x double> undef to <16 x i16>
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; CHECK: cost of 64 {{.*}} fptosi
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; CHECK: cost of 128 {{.*}} fptosi
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%r165 = fptosi <16 x double> undef to <16 x i16>
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; CHECK: cost of 64 {{.*}} fptoui
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; CHECK: cost of 128 {{.*}} fptoui
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%r166 = fptoui <16 x double> undef to <16 x i32>
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; CHECK: cost of 64 {{.*}} fptosi
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; CHECK: cost of 128 {{.*}} fptosi
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%r167 = fptosi <16 x double> undef to <16 x i32>
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; CHECK: cost of 224 {{.*}} fptoui
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; CHECK: cost of 256 {{.*}} fptoui
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%r168 = fptoui <16 x double> undef to <16 x i64>
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; CHECK: cost of 224 {{.*}} fptosi
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; CHECK: cost of 256 {{.*}} fptosi
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%r169 = fptosi <16 x double> undef to <16 x i64>
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; CHECK: cost of 8 {{.*}} uitofp
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