34 lines
896 B
LLVM
34 lines
896 B
LLVM
; Check the recursive inliner doesn't inline a function with a stack size exceeding a given limit.
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; RUN: opt < %s -passes=inline -S | FileCheck --check-prefixes=ALL,UNLIMITED %s
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; RUN: opt < %s -passes=inline -S -recursive-inline-max-stacksize=256 | FileCheck --check-prefixes=ALL,LIMITED %s
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declare void @init(ptr)
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define internal i32 @foo() {
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%1 = alloca [65 x i32], align 16
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call void @init(ptr %1)
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%2 = load i32, ptr %1, align 4
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ret i32 %2
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}
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define i32 @bar() {
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%1 = call i32 @foo()
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ret i32 %1
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; ALL: define {{.*}}@bar
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; ALL-NOT: define
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; UNLIMITED-NOT: call {{.*}}@foo
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; LIMITED-NOT: call {{.*}}@foo
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}
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; Check that, under the tighter limit, baz() doesn't inline foo()
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define i32 @baz() {
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%1 = call i32 @foo()
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%2 = call i32 @baz()
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%3 = add i32 %1, %2
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ret i32 %3
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; ALL: define {{.*}}@baz
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; ALL-NOT: define
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; UNLIMITED-NOT: call {{.*}}@foo
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; LIMITED: call {{.*}}@foo
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}
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