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fcbde114fe
Scalar i1 to fp conversions are done with a branch sequence, so it should have a higher cost. Review: Ulrich Weigand https://reviews.llvm.org/D53924 llvm-svn: 345818
24 lines
685 B
LLVM
24 lines
685 B
LLVM
; RUN: opt < %s -cost-model -analyze -mtriple=systemz-unknown -mcpu=z13 | FileCheck %s
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;
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; Costs for conversion of i1 to fp.
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define float @fun0(i64 %val1, i64 %val2) {
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%cmp = icmp eq i64 %val1, %val2
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%v = uitofp i1 %cmp to float
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ret float %v
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; CHECK: fun0
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; CHECK: cost of 1 for instruction: %cmp = icmp eq i64 %val1, %val2
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; CHECK: cost of 5 for instruction: %v = uitofp i1 %cmp to float
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}
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define double @fun1(i64 %val1, i64 %val2) {
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%cmp = icmp eq i64 %val1, %val2
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%v = uitofp i1 %cmp to double
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ret double %v
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; CHECK: fun1
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; CHECK: cost of 1 for instruction: %cmp = icmp eq i64 %val1, %val2
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; CHECK: cost of 5 for instruction: %v = uitofp i1 %cmp to double
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}
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