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89a18d93a9
Summary: Profile count of a block is computed by multiplying its block frequency by entry count and dividing the result by entry block frequency. Do rounded division in the last step and update test cases appropriately. Reviewers: davidxl Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D50822 llvm-svn: 339835
42 lines
1.4 KiB
LLVM
42 lines
1.4 KiB
LLVM
; RUN: opt < %s -passes cg-profile -S | FileCheck %s
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declare void @b()
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define void @a() !prof !1 {
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call void @b()
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ret void
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}
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@foo = common global i32 ()* null, align 8
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declare i32 @func1()
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declare i32 @func2()
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declare i32 @func3()
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declare i32 @func4()
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define void @freq(i1 %cond) !prof !1 {
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%tmp = load i32 ()*, i32 ()** @foo, align 8
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call i32 %tmp(), !prof !3
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br i1 %cond, label %A, label %B, !prof !2
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A:
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call void @a();
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ret void
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B:
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call void @b();
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ret void
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}
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!1 = !{!"function_entry_count", i64 32}
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!2 = !{!"branch_weights", i32 5, i32 10}
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!3 = !{!"VP", i32 0, i64 1600, i64 7651369219802541373, i64 1030, i64 -4377547752858689819, i64 410, i64 -6929281286627296573, i64 150, i64 -2545542355363006406, i64 10}
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; CHECK: !llvm.module.flags = !{![[cgprof:[0-9]+]]}
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; CHECK: ![[cgprof]] = !{i32 5, !"CG Profile", ![[prof:[0-9]+]]}
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; CHECK: ![[prof]] = !{![[e0:[0-9]+]], ![[e1:[0-9]+]], ![[e2:[0-9]+]], ![[e3:[0-9]+]], ![[e4:[0-9]+]], ![[e5:[0-9]+]], ![[e6:[0-9]+]]}
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; CHECK: ![[e0]] = !{void ()* @a, void ()* @b, i64 32}
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; CHECK: ![[e1]] = !{void (i1)* @freq, i32 ()* @func4, i64 1030}
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; CHECK: ![[e2]] = !{void (i1)* @freq, i32 ()* @func2, i64 410}
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; CHECK: ![[e3]] = !{void (i1)* @freq, i32 ()* @func3, i64 150}
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; CHECK: ![[e4]] = !{void (i1)* @freq, i32 ()* @func1, i64 10}
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; CHECK: ![[e5]] = !{void (i1)* @freq, void ()* @a, i64 11}
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; CHECK: ![[e6]] = !{void (i1)* @freq, void ()* @b, i64 21}
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