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llvm-mirror/test/Transforms/FunctionAttrs/optnone.ll
James Molloy 64e756bd07 Revert "Revert "[FunctionAttrs] Identify norecurse functions""
This reapplies this patch, with test fixes.

llvm-svn: 252871
2015-11-12 10:55:20 +00:00

27 lines
579 B
LLVM

; RUN: opt < %s -functionattrs -S | FileCheck %s
@x = global i32 0
define void @test_opt(i8* %p) {
; CHECK-LABEL: @test_opt
; CHECK: (i8* nocapture readnone %p) #0 {
ret void
}
define void @test_optnone(i8* %p) noinline optnone {
; CHECK-LABEL: @test_optnone
; CHECK: (i8* %p) #1 {
ret void
}
declare i8 @strlen(i8*) noinline optnone
; CHECK-LABEL: @strlen
; CHECK: (i8*) #2
; CHECK-LABEL: attributes #0
; CHECK: = { norecurse readnone }
; CHECK-LABEL: attributes #1
; CHECK: = { noinline norecurse optnone }
; CHECK-LABEL: attributes #2
; CHECK: = { noinline optnone }