forked from OSchip/llvm-project
40 lines
1.8 KiB
LLVM
40 lines
1.8 KiB
LLVM
; Do setup work for all below tests: generate bitcode and combined index
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; RUN: opt -module-summary %s -o %t.bc
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; RUN: opt -module-summary %p/Inputs/thinlto_indirect_call_promotion.ll -o %t2.bc
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; RUN: llvm-lto -thinlto -o %t3 %t.bc %t2.bc
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; RUN: opt -function-import -summary-file %t3.thinlto.bc %t.bc -o %t4.bc -print-imports 2>&1 | FileCheck %s --check-prefix=IMPORTS
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; IMPORTS-DAG: Import a
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; IMPORTS-DAG: Import c
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; RUN: opt %t4.bc -icp-lto -pgo-icall-prom -S | FileCheck %s --check-prefix=ICALL-PROM
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; RUN: opt %t4.bc -icp-lto -pgo-icall-prom -S -pass-remarks=pgo-icall-prom 2>&1 | FileCheck %s --check-prefix=PASS-REMARK
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; PASS-REMARK: Promote indirect call to a with count 1 out of 1
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; PASS-REMARK: Promote indirect call to c.llvm.0 with count 1 out of 1
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@foo = external local_unnamed_addr global void ()*, align 8
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@bar = external local_unnamed_addr global void ()*, align 8
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define i32 @main() local_unnamed_addr {
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entry:
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%0 = load void ()*, void ()** @foo, align 8
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; ICALL-PROM: br i1 %{{[0-9]+}}, label %if.true.direct_targ, label %if.false.orig_indirect, !prof [[BRANCH_WEIGHT:![0-9]+]]
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tail call void %0(), !prof !1
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%1 = load void ()*, void ()** @bar, align 8
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; ICALL-PROM: br i1 %{{[0-9]+}}, label %if.true.direct_targ1, label %if.false.orig_indirect2, !prof [[BRANCH_WEIGHT:![0-9]+]]
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tail call void %1(), !prof !2
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ret i32 0
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}
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!1 = !{!"VP", i32 0, i64 1, i64 -6289574019528802036, i64 1}
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!2 = !{!"VP", i32 0, i64 1, i64 591260329866125152, i64 1}
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; Should not have a VP annotation on new indirect call (check before and after
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; branch_weights annotation).
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; ICALL-PROM-NOT: !"VP"
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; ICALL-PROM: [[BRANCH_WEIGHT]] = !{!"branch_weights", i32 1, i32 0}
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; ICALL-PROM-NOT: !"VP"
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