0524534d52
To do so we have to tweak the cost model such that specialization does not trigger excessively. Differential Revision: https://reviews.llvm.org/D150649
36 lines
857 B
LLVM
36 lines
857 B
LLVM
; RUN: opt -S --passes="ipsccp<func-spec>" -funcspec-min-entry-freq=1 < %s | FileCheck %s
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define dso_local i32 @p0(i32 noundef %x) {
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entry:
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%add = add nsw i32 %x, 1
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ret i32 %add
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}
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define dso_local i32 @p1(i32 noundef %x) {
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entry:
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%sub = add nsw i32 %x, -1
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ret i32 %sub
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}
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define internal fastcc i32 @f(i32 noundef %x, ptr nocapture noundef readonly %p) noinline {
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entry:
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%call = tail call i32 %p(i32 noundef %x)
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%add = add nsw i32 %call, %x
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ret i32 %add
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}
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define dso_local i32 @g0(i32 noundef %x) {
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entry:
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%call = tail call fastcc i32 @f(i32 noundef %x, ptr noundef nonnull @p0)
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ret i32 %call
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}
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define dso_local i32 @g1(i32 noundef %x) {
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entry:
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%call = tail call fastcc i32 @f(i32 noundef %x, ptr noundef nonnull @p1)
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ret i32 %call
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}
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; Check that a noinline function is specialized, even if it's small.
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; CHECK: @f.1
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; CHECK: @f.2
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