llvm-project/llvm/test/Transforms/FunctionAttrs/new_attributes.ll

44 lines
1.4 KiB
LLVM

; RUN: opt < %s -attributor -attributor-disable=false -attributor-max-iterations=0 -S | FileCheck %s
; RUN: opt < %s -attributor -attributor-disable=false -attributor-max-iterations=1 -S | FileCheck %s
; RUN: opt < %s -attributor -attributor-disable=false -attributor-max-iterations=2 -S | FileCheck %s
; RUN: opt < %s -attributor -attributor-disable=false -attributor-max-iterations=3 -S | FileCheck %s
; RUN: opt < %s -attributor -attributor-disable=false -attributor-max-iterations=4 -S | FileCheck %s
; RUN: opt < %s -attributor -attributor-disable=false -attributor-max-iterations=2147483647 -S | FileCheck %s
; CHECK-NOT: Function
; CHECK: declare i32 @foo1()
; CHECK-NOT: Function
; CHECK: declare i32 @foo2()
; CHECK-NOT: Function
; CHECK: declare i32 @foo3()
declare i32 @foo1()
declare i32 @foo2()
declare i32 @foo3()
; CHECK-NOT: Function
; CHECK: define internal i32 @bar() {
; CHECK-NEXT: %1 = call i32 @foo1()
; CHECK-NEXT: %2 = call i32 @foo2()
; CHECK-NEXT: %3 = call i32 @foo3()
; CHECK-NEXT: ret i32 undef
; CHECK-NEXT: }
define internal i32 @bar() {
%1 = call i32 @foo1()
%2 = call i32 @foo2()
%3 = call i32 @foo3()
ret i32 1
}
; CHECK-NOT: Function
; CHECK: define i32 @baz() {
; CHECK-NEXT: %1 = call i32 @bar()
; CHECK-NEXT: ret i32 0
; CHECK-NEXT: }
define i32 @baz() {
%1 = call i32 @bar()
ret i32 0
}
; We should never derive anything here
; CHECK-NOT: attributes