| ; RUN: llvm-profdata merge %S/Inputs/noreturncall.proftext -o %t.profdata |
| ; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE |
| ; REQUIRES: asserts |
| |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| declare i32 @bar0(i32) |
| |
| define i32 @bar2(i32 %i) { |
| entry: |
| unreachable |
| } |
| |
| define i32 @foo(i32 %i, i32 %j, i32 %k) { |
| entry: |
| %cmp = icmp slt i32 %i, 999 |
| br i1 %cmp, label %if.then, label %if.end |
| ; USE: br i1 %cmp, label %if.then, label %if.end |
| ; USE-SAME: !prof ![[BW_ENTRY:[0-9]+]] |
| |
| if.then: |
| %call = call i32 @bar0(i32 %i) |
| br label %if.end |
| |
| if.end: |
| %ret.0 = phi i32 [ %call, %if.then ], [ 0, %entry ] |
| %cmp1 = icmp sgt i32 %j, 1000 |
| %cmp3 = icmp sgt i32 %k, 99 |
| %or.cond = and i1 %cmp1, %cmp3 |
| br i1 %or.cond, label %if.then4, label %if.end7 |
| ; USE: br i1 %or.cond, label %if.then4, label %if.end7 |
| ; USE-SAME: !prof ![[BW_IF:[0-9]+]] |
| |
| if.then4: |
| %call5 = call i32 @bar2(i32 undef) |
| br label %if.end7 |
| |
| if.end7: |
| %mul = mul nsw i32 %ret.0, %ret.0 |
| ret i32 %mul |
| } |
| ; USE: ![[BW_ENTRY]] = !{!"branch_weights", i32 21, i32 0} |
| ; USE: ![[BW_IF]] = !{!"branch_weights", i32 0, i32 21} |