blob: 4ce6ac7965e9995dd53be9fd439d016973f5ef83 [file] [log] [blame]
; RUN: opt < %s -tailcallelim -S | FileCheck %s
; Test that we don't tail call in a functions that calls returns_twice
; functions.
declare void @bar()
; CHECK: foo1
; CHECK-NOT: tail call void @bar()
define void @foo1(i32* %x) {
bb:
%tmp75 = tail call i32 @setjmp(i32* %x)
call void @bar()
ret void
}
declare i32 @setjmp(i32*) returns_twice
; CHECK: foo2
; CHECK-NOT: tail call void @bar()
define void @foo2(i32* %x) {
bb:
%tmp75 = tail call i32 @zed2(i32* %x)
call void @bar()
ret void
}
declare i32 @zed2(i32*) returns_twice