diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/Bitcode/attributes.ll | 4 | ||||
-rw-r--r-- | test/Feature/optnone.ll | 6 | ||||
-rw-r--r-- | test/Transforms/Inline/inline-optnone.ll | 52 |
3 files changed, 57 insertions, 5 deletions
diff --git a/test/Bitcode/attributes.ll b/test/Bitcode/attributes.ll index 2ff87d68eb..1789878e9f 100644 --- a/test/Bitcode/attributes.ll +++ b/test/Bitcode/attributes.ll @@ -207,7 +207,7 @@ define void @f34() ret void; } -define void @f35() optnone +define void @f35() optnone noinline ; CHECK: define void @f35() #23 { ret void; @@ -236,6 +236,6 @@ define void @f35() optnone ; CHECK: attributes #20 = { "cpu"="cortex-a8" } ; CHECK: attributes #21 = { sspstrong } ; CHECK: attributes #22 = { minsize } -; CHECK: attributes #23 = { optnone } +; CHECK: attributes #23 = { noinline optnone } ; CHECK: attributes #24 = { nobuiltin } diff --git a/test/Feature/optnone.ll b/test/Feature/optnone.ll index ec1d7232b3..7d8afd4b77 100644 --- a/test/Feature/optnone.ll +++ b/test/Feature/optnone.ll @@ -1,12 +1,12 @@ ; RUN: llvm-as < %s | llvm-dis | FileCheck %s -; Check for the presence of attribute noopt in the disassembly. +; Check for the presence of attribute optnone in the disassembly. ; CHECK: @foo() #0 define void @foo() #0 { ret void } -; CHECK: attributes #0 = { optnone } -attributes #0 = { optnone } +; CHECK: attributes #0 = { noinline optnone } +attributes #0 = { optnone noinline } diff --git a/test/Transforms/Inline/inline-optnone.ll b/test/Transforms/Inline/inline-optnone.ll new file mode 100644 index 0000000000..9b99c4558e --- /dev/null +++ b/test/Transforms/Inline/inline-optnone.ll @@ -0,0 +1,52 @@ +; RUN: opt < %s -inline -S | FileCheck %s + +; Test that functions with attribute optnone are not inlined. +; Also test that only functions with attribute alwaysinline are +; valid candidates for inlining if the caller has the optnone attribute. + +; Function Attrs: alwaysinline nounwind readnone uwtable +define i32 @alwaysInlineFunction(i32 %a) #0 { +entry: + %mul = mul i32 %a, %a + ret i32 %mul +} + +; Function Attrs: nounwind readnone uwtable +define i32 @simpleFunction(i32 %a) #1 { +entry: + %add = add i32 %a, %a + ret i32 %add +} + +; Function Attrs: nounwind noinline optnone readnone uwtable +define i32 @OptnoneFunction(i32 %a) #2 { +entry: + %0 = tail call i32 @alwaysInlineFunction(i32 %a) + %1 = tail call i32 @simpleFunction(i32 %a) + %add = add i32 %0, %1 + ret i32 %add +} + +; CHECK-LABEL: @OptnoneFunction +; CHECK-NOT: call i32 @alwaysInlineFunction(i32 %a) +; CHECK: call i32 @simpleFunction(i32 %a) +; CHECK: ret + +; Function Attrs: nounwind readnone uwtable +define i32 @bar(i32 %a) #1 { +entry: + %0 = tail call i32 @OptnoneFunction(i32 5) + %1 = tail call i32 @simpleFunction(i32 6) + %add = add i32 %0, %1 + ret i32 %add +} + +; CHECK-LABEL: @bar +; CHECK: call i32 @OptnoneFunction(i32 5) +; CHECK-NOT: call i32 @simpleFunction(i32 6) +; CHECK: ret + + +attributes #0 = { alwaysinline nounwind readnone uwtable } +attributes #1 = { nounwind readnone uwtable } +attributes #2 = { nounwind noinline optnone readnone uwtable } |