blob: 95371e1e3b071700a67356151dc085fc83abd1dc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
; RUN: opt -debug-only=branch-prob -passes="require<branch-prob>,jump-threading" -S %s 2>&1 | FileCheck %s
; RUN: opt -debug-only=branch-prob -passes=jump-threading -S %s 2>&1 | FileCheck %s --check-prefix=CHECK-NOBPI
; REQUIRES: asserts
; Make sure that we clear edge probabilities for bb1 as we fold
; the conditional branch in it.
; CHECK: eraseBlock bb1
; CHECK-NOBPI-NOT: eraseBlock bb1
define void @foo(i32 %i, i32 %len) !prof !0 {
; CHECK-LABEL: @foo
%i.inc = add nuw i32 %i, 1
%c0 = icmp ult i32 %i.inc, %len
br i1 %c0, label %bb1, label %bb2
bb1:
; CHECK: bb1:
%c1 = icmp ult i32 %i, %len
br i1 %c1, label %bb2, label %bb3
bb2:
ret void
bb3:
; CHECK-NOT: bb3:
ret void
}
!0 = !{!"function_entry_count", i64 0}
|
