preserve-locals.ll
1.82 KB
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; RUN: llvm-split -preserve-locals -o %t %s
; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK0 %s
; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK1 %s
; The local_var and local_func must not be separated.
; CHECK0: @local_var
; CHECK0: define internal fastcc void @local_func
; The main and a must not be separated.
; The main and local_func must not be together.
; CHECK1: @a
; CHECK1: define i32 @main
; CHECK1: declare dso_local fastcc void @local_func
@a = internal global i32 0, align 4
@global_storage = common global i32 0, align 4
@local_var = internal global i32 0, align 4
; Function Attrs: nounwind
define i32 @main(i32 %x) {
entry:
%call = call fastcc i32 @foo(i32 %x, i32* nonnull @a)
%call1 = call fastcc i32 @baz(i32 %x)
%add = add nsw i32 %call, %call1
ret i32 %add
}
; Function Attrs: nounwind
define fastcc i32 @bar(i32 %b) {
entry:
%call = call fastcc i32 @baz(i32 %b)
ret i32 %call
}
; Function Attrs: nounwind
define fastcc i32 @baz(i32 %x) {
entry:
store i32 %x, i32* @global_storage, align 4
%shl = shl i32 %x, %x
ret i32 %shl
}
; Function Attrs: noinline nounwind
define fastcc i32 @foo(i32 %a, i32* nocapture %b) {
entry:
call fastcc void @local_func()
%call = call fastcc i32 @bar(i32 %a)
%0 = load i32, i32* @global_storage, align 4
%call1 = call fastcc i32 @baz(i32 %0)
%add = add nsw i32 %call, %call1
store i32 %add, i32* %b, align 4
%call.i = call fastcc i32 @baz(i32 %add) #2
%add.i = add nsw i32 %call.i, 2
%1 = load volatile i32, i32* @local_var, align 4
%add3 = add nsw i32 %add.i, %1
ret i32 %add3
}
; Function Attrs: noinline nounwind
define internal fastcc void @local_func() section ".text" {
entry:
%0 = load i32, i32* @global_storage, align 4
%call = call fastcc i32 @foo(i32 %0, i32* null)
store volatile i32 %call, i32* @local_var, align 4
ret void
}