derek.holloway
7502bf64a4
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94 lines
2.7 KiB
LLVM
94 lines
2.7 KiB
LLVM
; Test to ensure no inlining is allowed into a caller with fewer nobuiltin attributes.
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; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -S -passes=inline | FileCheck %s
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; Make sure we don't inline callees into a caller with a superset of the
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; no builtin attributes when -inline-caller-superset-nobuiltin=false.
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; RUN: opt < %s -inline-caller-superset-nobuiltin=false -mtriple=x86_64-unknown-linux-gnu -S -passes='cgscc(inline)' | FileCheck %s --check-prefix=NOSUPERSET
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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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define i32 @allbuiltins() {
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entry:
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%call = call i32 (...) @externalfunc()
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ret i32 %call
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; CHECK-LABEL: allbuiltins
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; CHECK: call i32 (...) @externalfunc()
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}
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declare i32 @externalfunc(...)
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; We can inline a function that allows all builtins into one with a single
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; nobuiltin.
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define i32 @nobuiltinmemcpy() #0 {
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entry:
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%call = call i32 @allbuiltins()
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ret i32 %call
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; CHECK-LABEL: nobuiltinmemcpy
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; CHECK-NOT: call i32 @allbuiltins()
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; NOSUPERSET-LABEL: nobuiltinmemcpy
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; NOSUPERSET: call i32 @allbuiltins()
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}
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; We can inline a function that allows all builtins into one with all
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; nobuiltins.
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define i32 @nobuiltins() #1 {
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entry:
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%call = call i32 @allbuiltins()
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ret i32 %call
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; CHECK-LABEL: nobuiltins
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; CHECK-NOT: call i32 @allbuiltins()
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; NOSUPERSET-LABEL: nobuiltins
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; NOSUPERSET: call i32 @allbuiltins()
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}
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; We can inline a function with a single nobuiltin into one with all nobuiltins.
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define i32 @nobuiltins2() #1 {
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entry:
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%call = call i32 @nobuiltinmemcpy()
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ret i32 %call
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; CHECK-LABEL: nobuiltins2
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; CHECK-NOT: call i32 @nobuiltinmemcpy()
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; NOSUPERSET-LABEL: nobuiltins2
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; NOSUPERSET: call i32 @nobuiltinmemcpy()
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}
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; We can't inline a function with any given nobuiltin into one that allows all
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; builtins.
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define i32 @allbuiltins2() {
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entry:
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%call = call i32 @nobuiltinmemcpy()
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ret i32 %call
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; CHECK-LABEL: allbuiltins2
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; CHECK: call i32 @nobuiltinmemcpy()
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; NOSUPERSET-LABEL: allbuiltins2
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; NOSUPERSET: call i32 @nobuiltinmemcpy()
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}
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; We can't inline a function with all nobuiltins into one that allows all
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; builtins.
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define i32 @allbuiltins3() {
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entry:
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%call = call i32 @nobuiltins()
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ret i32 %call
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; CHECK-LABEL: allbuiltins3
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; CHECK: call i32 @nobuiltins()
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; NOSUPERSET-LABEL: allbuiltins3
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; NOSUPERSET: call i32 @nobuiltins()
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}
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; We can't inline a function with a specific nobuiltin into one with a
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; different specific nobuiltin.
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define i32 @nobuiltinmemset() #2 {
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entry:
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%call = call i32 @nobuiltinmemcpy()
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ret i32 %call
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; CHECK-LABEL: nobuiltinmemset
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; CHECK: call i32 @nobuiltinmemcpy()
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; NOSUPERSET-LABEL: nobuiltinmemset
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; NOSUPERSET: call i32 @nobuiltinmemcpy()
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}
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attributes #0 = { "no-builtin-memcpy" }
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attributes #1 = { "no-builtins" }
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attributes #2 = { "no-builtin-memset" }
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