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c5c94111c8
NPM passes just use the normal versions of these analyses instead. Also pin any tests with -analyze to legacy PM. Reviewed By: asbirlea Differential Revision: https://reviews.llvm.org/D87857
61 lines
1.7 KiB
LLVM
61 lines
1.7 KiB
LLVM
; 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 'nested_loop_with_branches'
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; CHECK-NEXT: block-frequency-info: nested_loop_with_branches
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define void @nested_loop_with_branches(i32 %a) {
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; CHECK-NEXT: entry: float = 1.0, int = [[ENTRY:[0-9]+]]
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entry:
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%v0 = call i1 @foo0(i32 %a)
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br i1 %v0, label %exit, label %outer, !prof !0
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; CHECK-NEXT: outer: float = 12.0,
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outer:
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%i = phi i32 [ 0, %entry ], [ %i.next, %inner.end ], [ %i.next, %no_inner ]
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%i.next = add i32 %i, 1
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%do_inner = call i1 @foo1(i32 %i)
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br i1 %do_inner, label %no_inner, label %inner, !prof !0
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; CHECK-NEXT: inner: float = 36.0,
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inner:
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%j = phi i32 [ 0, %outer ], [ %j.next, %inner.end ]
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%side = call i1 @foo3(i32 %j)
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br i1 %side, label %left, label %right, !prof !0
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; CHECK-NEXT: left: float = 9.0,
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left:
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%v4 = call i1 @foo4(i32 %j)
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br label %inner.end
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; CHECK-NEXT: right: float = 27.0,
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right:
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%v5 = call i1 @foo5(i32 %j)
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br label %inner.end
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; CHECK-NEXT: inner.end: float = 36.0,
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inner.end:
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%stay_inner = phi i1 [ %v4, %left ], [ %v5, %right ]
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%j.next = add i32 %j, 1
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br i1 %stay_inner, label %inner, label %outer, !prof !1
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; CHECK-NEXT: no_inner: float = 3.0,
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no_inner:
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%continue = call i1 @foo6(i32 %i)
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br i1 %continue, label %outer, label %exit, !prof !1
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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 i1 @foo0(i32)
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declare i1 @foo1(i32)
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declare i1 @foo2(i32)
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declare i1 @foo3(i32)
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declare i1 @foo4(i32)
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declare i1 @foo5(i32)
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declare i1 @foo6(i32)
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!0 = !{!"branch_weights", i32 1, i32 3}
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!1 = !{!"branch_weights", i32 3, i32 1}
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