forked from OSchip/llvm-project
51 lines
2.1 KiB
LLVM
51 lines
2.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes='cgscc(inline)' %s -S -pass-remarks-missed=inline 2>&1 | FileCheck --check-prefixes=CHECK,CHECK-INLINE %s
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; RUN: opt -passes=always-inline -o - -S %s | FileCheck %s
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; CHECK-INLINE: 'ssp' not inlined into 'nossp_caller' because it should never be inlined (cost=never): stack protected callee but caller requested no stack protector
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; CHECK-INLINE: 'nossp' not inlined into 'ssp_caller' because it should never be inlined (cost=never): stack protected caller but callee requested no stack protector
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; Not interesting to test.
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define i32 @nossp() { ret i32 41 }
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define i32 @ssp() sspstrong { ret i32 42 }
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define i32 @nossp_alwaysinline() alwaysinline { ret i32 43 }
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define i32 @ssp_alwaysinline() sspstrong alwaysinline { ret i32 44 }
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; @ssp should not be inlined due to mismatch stack protector.
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; @ssp_alwaysinline should be inlined due to alwaysinline.
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define i32 @nossp_caller() {
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; CHECK-LABEL: @nossp_caller(
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; CHECK-NEXT: [[TMP1:%.*]] = call i32 @ssp()
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; CHECK-NEXT: ret i32 44
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;
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call i32 @ssp()
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%2 = call i32 @ssp_alwaysinline()
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ret i32 %2
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}
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; @nossp should not be inlined due to mismatch stack protector.
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; @nossp_alwaysinline should be inlined due to alwaysinline.
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define i32 @ssp_caller() sspstrong {
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; CHECK-LABEL: @ssp_caller(
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; CHECK-NEXT: [[TMP1:%.*]] = call i32 @nossp()
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; CHECK-NEXT: ret i32 43
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;
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call i32 @nossp()
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%2 = call i32 @nossp_alwaysinline()
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ret i32 %2
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}
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; The alwaysinline attribute can also appear on the CallBase (ie. the call
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; site), ie. when __attribute__((flatten)) is used on the caller. Treat this
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; the same as if the caller had the fn attr alwaysinline and permit inline
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; substitution, despite the mismatch between caller and callee on ssp attrs.
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;
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; Curiously, the always_inline attribute on a CallInst is only expanded by the
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; inline pass, but not always_inline pass!
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define i32 @nossp_alwaysinline_caller() {
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; CHECK-INLINE-LABEL: @nossp_alwaysinline_caller(
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; CHECK-INLINE-NEXT: ret i32 42
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;
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%1 = call i32 @ssp() alwaysinline
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ret i32 %1
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}
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