forked from OSchip/llvm-project
74 lines
2.5 KiB
LLVM
74 lines
2.5 KiB
LLVM
; RUN: opt -S -passes=attributor -aa-pipeline='basic-aa' -attributor-disable=false -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=6 < %s | FileCheck %s
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define dso_local i32 @visible(i32* noalias %A, i32* noalias %B) #0 {
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entry:
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%call1 = call i32 @noalias_args(i32* %A, i32* %B)
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%call2 = call i32 @noalias_args_argmem(i32* %A, i32* %B)
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%add = add nsw i32 %call1, %call2
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ret i32 %add
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}
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; CHECK: define private i32 @noalias_args(i32* nocapture nofree nonnull readonly align 4 dereferenceable(4) %A, i32* noalias nocapture nofree nonnull readonly align 4 dereferenceable(4) %B)
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define private i32 @noalias_args(i32* %A, i32* %B) #0 {
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entry:
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%0 = load i32, i32* %A, align 4
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%1 = load i32, i32* %B, align 4
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%add = add nsw i32 %0, %1
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%call = call i32 @noalias_args_argmem(i32* %A, i32* %B)
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%add2 = add nsw i32 %add, %call
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ret i32 %add2
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}
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; CHECK: define internal i32 @noalias_args_argmem(i32* nocapture nofree nonnull readonly align 4 dereferenceable(4) %A, i32* noalias nocapture nofree nonnull readonly align 4 dereferenceable(4) %B)
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define internal i32 @noalias_args_argmem(i32* %A, i32* %B) #1 {
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entry:
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%0 = load i32, i32* %A, align 4
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%1 = load i32, i32* %B, align 4
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%add = add nsw i32 %0, %1
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ret i32 %add
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}
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define dso_local i32 @visible_local(i32* %A) #0 {
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entry:
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%B = alloca i32, align 4
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store i32 5, i32* %B, align 4
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%call1 = call i32 @noalias_args(i32* %A, i32* nonnull %B)
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%call2 = call i32 @noalias_args_argmem(i32* %A, i32* nonnull %B)
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%add = add nsw i32 %call1, %call2
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ret i32 %add
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}
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; CHECK: define internal i32 @noalias_args_argmem_ro(i32 %0, i32 %1)
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define internal i32 @noalias_args_argmem_ro(i32* %A, i32* %B) #1 {
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%t0 = load i32, i32* %A, align 4
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%t1 = load i32, i32* %B, align 4
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%add = add nsw i32 %t0, %t1
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ret i32 %add
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}
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define i32 @visible_local_2() {
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%B = alloca i32, align 4
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store i32 5, i32* %B, align 4
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%call = call i32 @noalias_args_argmem_ro(i32* %B, i32* %B)
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ret i32 %call
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}
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; CHECK: define internal i32 @noalias_args_argmem_rn(i32* noalias nocapture nofree nonnull align 4 dereferenceable(4) %B)
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define internal i32 @noalias_args_argmem_rn(i32* %A, i32* %B) #1 {
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%t0 = load i32, i32* %B, align 4
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store i32 0, i32* %B
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ret i32 %t0
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}
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define i32 @visible_local_3() {
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%B = alloca i32, align 4
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store i32 5, i32* %B, align 4
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%call = call i32 @noalias_args_argmem_rn(i32* %B, i32* %B)
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ret i32 %call
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}
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attributes #0 = { noinline nounwind uwtable willreturn }
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attributes #1 = { argmemonly noinline nounwind uwtable willreturn}
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