llvm-project/llvm/test/Transforms/PGOProfile/thinlto_indirect_call_promo...

33 lines
1.4 KiB
LLVM

; Do setup work for all below tests: generate bitcode and combined index
; RUN: opt -module-summary %s -o %t.bc
; RUN: opt -module-summary %p/Inputs/thinlto_indirect_call_promotion.ll -o %t2.bc
; RUN: llvm-lto -thinlto -o %t3 %t.bc %t2.bc
; RUN: opt -function-import -summary-file %t3.thinlto.bc %t.bc -o %t4.bc -print-imports 2>&1 | FileCheck %s --check-prefix=IMPORTS
; IMPORTS: Import a
; RUN: opt %t4.bc -pgo-icall-prom -S -icp-count-threshold=1 | FileCheck %s --check-prefix=ICALL-PROM
; RUN: opt %t4.bc -pgo-icall-prom -S -pass-remarks=pgo-icall-prom -icp-count-threshold=1 2>&1 | FileCheck %s --check-prefix=PASS-REMARK
; PASS-REMARK: Promote indirect call to a with count 1 out of 1
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@foo = external local_unnamed_addr global void ()*, align 8
define i32 @main() local_unnamed_addr {
entry:
%0 = load void ()*, void ()** @foo, align 8
; ICALL-PROM: br i1 %{{[0-9]+}}, label %if.true.direct_targ, label %if.false.orig_indirect, !prof [[BRANCH_WEIGHT:![0-9]+]]
tail call void %0(), !prof !1
ret i32 0
}
!1 = !{!"VP", i32 0, i64 1, i64 -6289574019528802036, i64 1}
; Should not have a VP annotation on new indirect call (check before and after
; branch_weights annotation).
; ICALL-PROM-NOT: !"VP"
; ICALL-PROM: [[BRANCH_WEIGHT]] = !{!"branch_weights", i32 1, i32 0}
; ICALL-PROM-NOT: !"VP"