08cc058518
This relands commit 4d8d2580c5.
The major change here is using 'addUsedIfAvailable<BasicBlockSectionsProfileReader>()` to make sure we don't change the pipeline tests.
Differential Revision: https://reviews.llvm.org/D126518
20 lines
742 B
LLVM
20 lines
742 B
LLVM
; RUN: echo "!foo" > %t.order.txt
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; RUN: llc < %s -mtriple=x86_64-pc-linux -basic-block-sections=%t.order.txt | FileCheck --check-prefix=SOURCE-DRIFT %s
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; RUN: llc < %s -mtriple=x86_64-pc-linux -basic-block-sections=%t.order.txt -bbsections-detect-source-drift=false | FileCheck --check-prefix=HASH-CHECK-DISABLED %s
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define dso_local i32 @foo(i1 zeroext %0, i1 zeroext %1) !annotation !1 {
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br i1 %0, label %5, label %3
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3: ; preds = %2
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%4 = select i1 %1, i32 2, i32 0
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ret i32 %4
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5: ; preds = %2
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ret i32 1
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}
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!1 = !{!"instr_prof_hash_mismatch"}
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; SOURCE-DRIFT-NOT: .section .text{{.*}}.foo
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; HASH-CHECK-DISABLED: .section .text.hot.foo
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