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1; RUN: llc -mtriple=x86_64-linux-gnu %s -stop-after=finalize-isel -o - | \2; RUN: llc -mtriple=x86_64-linux-gnu -passes='print<machine-branch-prob>' -x mir -filetype=null 2>&1 | \3; RUN: FileCheck %s4 5declare void @foo()6 7define i32 @test2(i32 %x) nounwind uwtable readnone ssp {8entry:9 %conv = sext i32 %x to i6410 switch i64 %conv, label %return [11 i64 0, label %sw.bb12 i64 1, label %sw.bb13 i64 4, label %sw.bb14 i64 5, label %sw.bb115 i64 15, label %sw.bb16 ], !prof !017 18sw.bb:19; this call will prevent simplifyCFG from optimizing the block away in ARM/AArch64.20 tail call void @foo()21 br label %return22 23sw.bb1:24 br label %return25 26return:27 %retval.0 = phi i32 [ 5, %sw.bb1 ], [ 1, %sw.bb ], [ 0, %entry ]28 ret i32 %retval.029}30 31!0 = !{!"branch_weights", i32 7, i32 6, i32 4, i32 4, i32 64, i21 1000}32 33; CHECK: Printing analysis 'Machine Branch Probability Analysis' for machine function 'test2':34; CHECK: edge %bb.4 -> %bb.6 probability is 0x80000000 / 0x80000000 = 100.00% [HOT edge]35; CHECK: edge %bb.5 -> %bb.6 probability is 0x80000000 / 0x80000000 = 100.00% [HOT edge]36