36 lines
987 B
LLVM
36 lines
987 B
LLVM
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; RUN: opt < %s -analyze -block-freq -enable-new-pm=0 | FileCheck %s
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; RUN: opt < %s -passes='print<block-freq>' -disable-output 2>&1 | FileCheck %s
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; CHECK-LABEL: Printing analysis {{.*}} for function 'loop_with_invoke':
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; CHECK-NEXT: block-frequency-info: loop_with_invoke
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define void @loop_with_invoke(i32 %n) personality i8 0 {
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; CHECK-NEXT: entry: float = 1.0, int = [[ENTRY:[0-9]+]]
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entry:
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br label %loop
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; CHECK-NEXT: loop: float = 9905.6
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loop:
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%i = phi i32 [ 0, %entry ], [ %i.next, %invoke.cont ]
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invoke void @foo() to label %invoke.cont unwind label %lpad
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; CHECK-NEXT: invoke.cont: float = 9905.6
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invoke.cont:
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%i.next = add i32 %i, 1
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%cont = icmp ult i32 %i.next, %n
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br i1 %cont, label %loop, label %exit, !prof !0
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; CHECK-NEXT: lpad: float = 0.0094467
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lpad:
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%ll = landingpad { i8*, i32 }
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cleanup
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br label %exit
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; CHECK-NEXT: exit: float = 1.0, int = [[ENTRY]]
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exit:
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ret void
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}
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declare void @foo()
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!0 = !{!"branch_weights", i32 9999, i32 1}
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