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eb9d6d122a
This patch imports constant variables even when they can't be internalized (which results in promotion). This offers some extra constant folding opportunities. Differential revision: https://reviews.llvm.org/D70404
21 lines
578 B
LLVM
21 lines
578 B
LLVM
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@A = local_unnamed_addr global i32 10, align 4
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@B = local_unnamed_addr constant i32 20, align 4
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; Function Attrs: norecurse nounwind readonly uwtable
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define i32 @foo() local_unnamed_addr #0 {
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%1 = load i32, i32* @B, align 4
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%2 = load i32, i32* @A, align 4
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%3 = add nsw i32 %2, %1
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ret i32 %3
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}
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; Function Attrs: norecurse nounwind readnone uwtable
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define i32 @bar() local_unnamed_addr {
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ret i32 42
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}
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attributes #0 = { noinline }
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