forked from OSchip/llvm-project
51 lines
1.3 KiB
LLVM
51 lines
1.3 KiB
LLVM
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; RUN: opt < %s -passes=inline -inline-threshold=100 -S | FileCheck %s
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;; caller1/caller2/callee1/callee2 test functions with incompatible attributes
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;; won't be inlined into each other.
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define i32 @callee1(i32 %x) {
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%x1 = add i32 %x, 1
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%x2 = add i32 %x1, 1
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%x3 = add i32 %x2, 1
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call void @extern()
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ret i32 %x3
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}
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define i32 @callee2(i32 %x) #0 {
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%x1 = add i32 %x, 1
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%x2 = add i32 %x1, 1
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%x3 = add i32 %x2, 1
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call void @extern()
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ret i32 %x3
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}
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define i32 @caller1(i32 %y1) {
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;; caller1 doesn't have use-sample-profile attribute but callee2 has,
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;; so callee2 won't be inlined into caller1.
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;; caller1 and callee1 don't have use-sample-profile attribute, so
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;; callee1 can be inlined into caller1.
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; CHECK-LABEL: @caller1(
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; CHECK: call i32 @callee2
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; CHECK-NOT: call i32 @callee1
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%y2 = call i32 @callee2(i32 %y1)
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%y3 = call i32 @callee1(i32 %y2)
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ret i32 %y3
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}
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define i32 @caller2(i32 %y1) #0 {
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;; caller2 and callee2 both have use-sample-profile attribute, so
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;; callee2 can be inlined into caller2.
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;; caller2 has use-sample-profile attribute but callee1 doesn't have,
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;; so callee1 won't be inlined into caller2.
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; CHECK-LABEL: @caller2(
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; CHECK-NOT: call i32 @callee2
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; CHECK: call i32 @callee1
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%y2 = call i32 @callee2(i32 %y1)
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%y3 = call i32 @callee1(i32 %y2)
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ret i32 %y3
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}
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declare void @extern()
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attributes #0 = { "use-sample-profile" }
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