forked from OSchip/llvm-project
43 lines
1.0 KiB
LLVM
43 lines
1.0 KiB
LLVM
; RUN: opt < %s -inline-threshold=0 -always-inline -S | FileCheck %s
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;
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; Ensure the threshold has no impact on these decisions.
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; RUN: opt < %s -inline-threshold=20000000 -always-inline -S | FileCheck %s
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; RUN: opt < %s -inline-threshold=-20000000 -always-inline -S | FileCheck %s
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define i32 @inner1() alwaysinline {
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ret i32 1
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}
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define i32 @outer1() {
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; CHECK: @outer1
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; CHECK-NOT: call
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; CHECK: ret
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%r = call i32 @inner1()
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ret i32 %r
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}
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; The always inliner can't DCE internal functions. PR2945
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; CHECK: @pr2945
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define internal i32 @pr2945() nounwind {
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ret i32 0
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}
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define internal void @inner2(i32 %N) alwaysinline {
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%P = alloca i32, i32 %N
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ret void
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}
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define void @outer2(i32 %N) {
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; The always inliner (unlike the normal one) should be willing to inline
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; a function with a dynamic alloca into one without a dynamic alloca.
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; rdar://6655932
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;
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; CHECK: @outer2
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; CHECK-NOT: call void @inner2
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; CHECK alloca i32, i32 %N
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; CHECK-NOT: call void @inner2
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; CHECK: ret void
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call void @inner2( i32 %N )
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ret void
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}
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