46 lines
2.1 KiB
LLVM
46 lines
2.1 KiB
LLVM
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; RUN: opt < %s -cost-model -analyze -mtriple=systemz-unknown -mcpu=z13 \
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; RUN: | FileCheck %s
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;
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; Test that i8/i16 operands get extra costs for extensions to i32 only in
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; cases where this is needed.
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define void @icmp() {
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%li8_0 = load i8, i8* undef
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%li8_1 = load i8, i8* undef
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icmp slt i8 %li8_0, %li8_1
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%a0 = add i8 %li8_0, 1
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%a1 = add i8 %li8_1, 1
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icmp slt i8 %a0, %a1
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icmp slt i8 %a0, 123
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%li16_0 = load i16, i16* undef
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%li16_1 = load i16, i16* undef
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icmp slt i16 %li16_0, %li16_1
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%a2 = add i16 %li16_0, 1
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%a3 = add i16 %li16_1, 1
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icmp slt i16 %a2, %a3
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icmp slt i16 %a2, 123
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ret void;
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; CHECK: Printing analysis 'Cost Model Analysis' for function 'icmp':
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; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %li8_0 = load i8, i8* undef
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; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %li8_1 = load i8, i8* undef
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; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %1 = icmp slt i8 %li8_0, %li8_1
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; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %a0 = add i8 %li8_0, 1
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; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %a1 = add i8 %li8_1, 1
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; CHECK: Cost Model: Found an estimated cost of 3 for instruction: %2 = icmp slt i8 %a0, %a1
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; CHECK: Cost Model: Found an estimated cost of 2 for instruction: %3 = icmp slt i8 %a0, 123
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; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %li16_0 = load i16, i16* undef
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; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %li16_1 = load i16, i16* undef
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; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %4 = icmp slt i16 %li16_0, %li16_1
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; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %a2 = add i16 %li16_0, 1
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; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %a3 = add i16 %li16_1, 1
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; CHECK: Cost Model: Found an estimated cost of 3 for instruction: %5 = icmp slt i16 %a2, %a3
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; CHECK: Cost Model: Found an estimated cost of 2 for instruction: %6 = icmp slt i16 %a2, 123
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; CHECK: Cost Model: Found an estimated cost of 1 for instruction: ret void
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}
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