forked from OSchip/llvm-project
59 lines
1.3 KiB
LLVM
59 lines
1.3 KiB
LLVM
; This code is virtually identical to last-call-bonus.ll, but the callsites
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; to the internal functions are cold, thereby preventing the last call to
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; static bonus from being applied.
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; RUN: opt < %s -passes='function(require<opt-remark-emit>,unroll),require<profile-summary>,cgscc(inline)' -unroll-threshold=15000 -inline-threshold=250 -S | FileCheck %s
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; CHECK-LABEL: define internal i32 @baz
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define internal i32 @baz() {
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entry:
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br label %bb1
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bb1:
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%ind = phi i32 [ 0, %entry ], [ %inc, %bb1 ]
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call void @extern()
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%inc = add nsw i32 %ind, 1
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%cmp = icmp sgt i32 %inc, 510
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br i1 %cmp, label %ret, label %bb1
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ret:
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ret i32 0
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}
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; CHECK-LABEL: define internal i32 @bar
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define internal i32 @bar(i1 %b) {
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entry:
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br label %bb1
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bb1:
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%ind = phi i32 [ 0, %entry ], [ %inc, %bb1 ]
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call void @extern()
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%inc = add nsw i32 %ind, 1
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%cmp = icmp sgt i32 %inc, 510
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br i1 %cmp, label %for.exit, label %bb1
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for.exit:
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br i1 %b, label %bb2, label %ret, !prof !0
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bb2:
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; CHECK: call i32 @baz
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call i32 @baz()
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br label %ret
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ret:
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ret i32 0
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}
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; CHECK-LABEL: define i32 @foo
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define i32 @foo(i1 %b) {
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entry:
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br i1 %b, label %bb1, label %ret, !prof !0
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bb1:
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; CHECK: call i32 @bar
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call i32 @bar(i1 %b)
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br label %ret
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ret:
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ret i32 0
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}
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declare void @extern()
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!0 = !{!"branch_weights", i32 1, i32 2500}
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