Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Analysis/BlockFrequencyInfo/bad_input.ll

@@ -1,52 +0,0 @@
-; RUN: opt < %s -analyze -block-freq | FileCheck %s
-; RUN: opt < %s -passes='print<block-freq>' -disable-output 2>&1 | FileCheck %s
-
-declare void @g(i32 %x)
-
-; CHECK-LABEL: Printing analysis {{.*}} for function 'branch_weight_0':
-; CHECK-NEXT: block-frequency-info: branch_weight_0
-define void @branch_weight_0(i32 %a) {
-; CHECK-NEXT: entry: float = 1.0, int = [[ENTRY:[0-9]+]]
-entry:
-  br label %for.body
-
-; Check that we get 1 and a huge frequency instead of 0,3.
-; CHECK-NEXT: for.body: float = 2147483647.8,
-for.body:
-  %i = phi i32 [ 0, %entry ], [ %inc, %for.body ]
-  call void @g(i32 %i)
-  %inc = add i32 %i, 1
-  %cmp = icmp ugt i32 %inc, %a
-  br i1 %cmp, label %for.end, label %for.body, !prof !0
-
-; CHECK-NEXT: for.end: float = 1.0, int = [[ENTRY]]
-for.end:
-  ret void
-}
-
-!0 = !{!"branch_weights", i32 0, i32 3}
-
-; CHECK-LABEL: Printing analysis {{.*}} for function 'infinite_loop'
-; CHECK-NEXT: block-frequency-info: infinite_loop
-define void @infinite_loop(i1 %x) {
-; CHECK-NEXT: entry: float = 1.0, int = [[ENTRY:[0-9]+]]
-entry:
-  br i1 %x, label %for.body, label %for.end, !prof !1
-
-; Check that the infinite loop is arbitrarily scaled to max out at 4096,
-; giving 2048 here.
-; CHECK-NEXT: for.body: float = 2048.0,
-for.body:
-  %i = phi i32 [ 0, %entry ], [ %inc, %for.body ]
-  call void @g(i32 %i)
-  %inc = add i32 %i, 1
-  br label %for.body
-
-; Check that the exit weight is half of entry, since half is lost in the
-; infinite loop above.
-; CHECK-NEXT: for.end: float = 0.5,
-for.end:
-  ret void
-}
-
-!1 = !{!"branch_weights", i32 1, i32 1}