96a14f388b
As reported on https://reviews.llvm.org/D150375#4367861 and following, this change causes PDT invalidation issues. Revert it and dependent commits. This reverts commit0524534d52. This reverts commitced90d1ff6. This reverts commit9f992cc935. This reverts commit1b1232047e.
52 lines
1.5 KiB
LLVM
52 lines
1.5 KiB
LLVM
; RUN: opt -S --passes="ipsccp<func-spec>" -funcspec-max-clones=1 < %s | FileCheck %s
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define internal i32 @f(i32 noundef %x, ptr nocapture noundef readonly %p, ptr nocapture noundef readonly %q) noinline {
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entry:
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%call = tail call i32 %p(i32 noundef %x)
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%call1 = tail call i32 %q(i32 noundef %x)
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%add = add nsw i32 %call1, %call
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ret i32 %add
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}
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define internal i32 @g(i32 noundef %x, ptr nocapture noundef readonly %p, ptr nocapture noundef readonly %q) noinline {
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entry:
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%call = tail call i32 %p(i32 noundef %x)
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%call1 = tail call i32 %q(i32 noundef %x)
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%sub = sub nsw i32 %call, %call1
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ret i32 %sub
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}
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define i32 @h0(i32 noundef %x) {
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entry:
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%call = tail call i32 @f(i32 noundef %x, ptr noundef nonnull @pp, ptr noundef nonnull @qq)
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ret i32 %call
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}
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define i32 @h1(i32 noundef %x) {
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entry:
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%call = tail call i32 @f(i32 noundef %x, ptr noundef nonnull @qq, ptr noundef nonnull @pp)
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ret i32 %call
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}
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define i32 @h2(i32 noundef %x, ptr nocapture noundef readonly %p) {
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entry:
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%call = tail call i32 @g(i32 noundef %x, ptr noundef %p, ptr noundef nonnull @pp)
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ret i32 %call
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}
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define i32 @h3(i32 noundef %x, ptr nocapture noundef readonly %p) {
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entry:
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%call = tail call i32 @g(i32 noundef %x, ptr noundef %p, ptr noundef nonnull @qq)
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ret i32 %call
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}
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declare i32 @pp(i32 noundef)
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declare i32 @qq(i32 noundef)
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; Check that the global ranking causes two specialisations of
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; `f` to be chosen, whereas the old algorithm would choose
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; one specialsation of `f` and one of `g`.
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; CHECK-DAG: define internal i32 @f.1
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; CHECK-DAG: define internal i32 @f.2
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