0f0cb92cb2
This reverts commit 877a9f9abec61f06e39f1cd872e37b828139c2d1. It depends on the parent revision 42c2dc401742266da3e0251b6c1ca491f4779963 which needs to be reverted as it broke some buildbots, so reverting both.
64 lines
1.5 KiB
LLVM
64 lines
1.5 KiB
LLVM
; RUN: opt -passes=function-specialization -func-specialization-avg-iters-cost=5 -func-specialization-size-threshold=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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