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.
83 lines
2.3 KiB
LLVM
83 lines
2.3 KiB
LLVM
; RUN: opt -S --passes="ipsccp<func-spec>" < %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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; CHECK-LABEL: define dso_local i32 @f0
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; CHECK: tail call fastcc i32 @g.[[#A:]]({{.*}}@p0)
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;
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define dso_local i32 @f0(i32 noundef %x) {
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entry:
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%call = tail call fastcc i32 @g(i32 noundef %x, ptr noundef nonnull @p0)
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ret i32 %call
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}
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; CHECK-LABEL: define dso_local i32 @f1
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; CHECK: tail call fastcc i32 @g.[[#B:]]({{.*}}@p1)
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;
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define dso_local i32 @f1(i32 noundef %x) {
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entry:
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%call = tail call fastcc i32 @g(i32 noundef %x, ptr noundef nonnull @p1)
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ret i32 %call
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}
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; @g gets fully specialized
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; CHECK-NOT: define internal fastcc i32 @g(
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define internal fastcc i32 @g(i32 noundef %x, ptr nocapture noundef readonly %p) noinline {
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entry:
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%pcall = tail call i32 %p(i32 noundef %x)
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%fcall = tail call fastcc i32 @f(i32 noundef %pcall, ptr noundef nonnull %p)
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ret i32 %fcall
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}
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; CHECK-LABEL: define dso_local i32 @g0
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; CHECK: tail call fastcc i32 @f.[[#C:]]({{.*}}@p0)
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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 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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; CHECK-LABEL: define dso_local i32 @g1
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; CHECK: tail call fastcc i32 @f.[[#D:]]({{.*}}@p1)
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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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define dso_local i32 @g2(i32 noundef %x) {
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entry:
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%call = tail call fastcc i32 @f(i32 noundef %x, ptr poison)
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ret i32 %call
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}
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; Check that a single argument, that cannot be used for specialisation, does not
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; prevent specialisation based on other arguments.
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;
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; Also check that for callsites which reside in the body of newly created
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; (specialized) functions, the lattice value of the arguments is known.
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;
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; CHECK-DAG: define internal fastcc i32 @g.[[#A]]
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; CHECK-DAG: define internal fastcc i32 @g.[[#B]]
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; CHECK-DAG: define internal fastcc i32 @f.[[#C]]
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; CHECK-DAG: define internal fastcc i32 @f.[[#D]]
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