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 commit 0524534d5220da5ecb2cd424a46520184d2be366. This reverts commit ced90d1ff64a89a13479a37a3b17a411a3259f9f. This reverts commit 9f992cc9350a7f7072a6dbf018ea07142ea7a7ed. This reverts commit 1b1232047e83b69561fd64b9547cb0a0d374473a.
64 lines
1.4 KiB
LLVM
64 lines
1.4 KiB
LLVM
; RUN: opt -passes="ipsccp<func-spec>" -funcspec-avg-loop-iters=5 -funcspec-min-function-size=10 -S < %s | FileCheck %s
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; Check that the loop depth results in a larger specialization bonus.
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; CHECK: @foo.1(
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; CHECK: @foo.2(
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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@A = external dso_local constant i32, align 4
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@B = external dso_local constant i32, align 4
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@C = external dso_local constant i32, align 4
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@D = external dso_local constant i32, align 4
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declare i1 @cond_begin()
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declare i1 @cond_end()
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declare i1 @getCond()
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define internal i32 @foo(i32 %x, ptr %b, ptr %c) {
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entry:
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br label %loop.entry
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loop.entry:
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br label %loop2.entry
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loop2.entry:
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br label %loop2.body
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loop2.body:
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%0 = load i32, ptr %b, align 4
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%1 = load i32, ptr %c, align 4
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%add.0 = add nsw i32 %0, %1
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%add = add nsw i32 %add.0, %x
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br label %loop2.end
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loop2.end:
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%cond.end = call i1 @cond_end()
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br i1 %cond.end, label %loop2.entry, label %loop.end
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loop.end:
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%cond2.end = call i1 @getCond()
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br i1 %cond2.end, label %loop.entry, label %return
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return:
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ret i32 %add
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}
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define dso_local i32 @bar(i32 %x, i32 %y) {
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entry:
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%tobool = icmp ne i32 %x, 0
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br i1 %tobool, label %if.then, label %if.else
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if.then:
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%call = call i32 @foo(i32 %x, ptr @A, ptr @C)
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br label %return
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if.else:
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%call1 = call i32 @foo(i32 %y, ptr @B, ptr @D)
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br label %return
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return:
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%retval.0 = phi i32 [ %call, %if.then ], [ %call1, %if.else ]
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ret i32 %retval.0
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}
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