You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
27 lines
721 B
27 lines
721 B
; RUN: llc -mtriple=thumbv7s %s -o - | FileCheck %s
|
|
; RUN: llc -mtriple=armv7s %s -o - | FileCheck %s
|
|
|
|
; CodeGen should be able to set and reset the MinSize subtarget-feature, and
|
|
; make use of it in deciding whether to use MOVW/MOVT for global variables or a
|
|
; lit-pool load (saving roughly 2 bytes of code).
|
|
|
|
@var = global i32 0
|
|
|
|
define i32 @small_global() minsize {
|
|
; CHECK-LABEL: small_global:
|
|
; CHECK: ldr r[[GLOBDEST:[0-9]+]], {{.?LCPI0_0}}
|
|
; CHECK: ldr r0, [r[[GLOBDEST]]]
|
|
|
|
%val = load i32, i32* @var
|
|
ret i32 %val
|
|
}
|
|
|
|
define i32 @big_global() {
|
|
; CHECK-LABEL: big_global:
|
|
; CHECK: movw [[GLOBDEST:r[0-9]+]], :lower16:var
|
|
; CHECK: movt [[GLOBDEST]], :upper16:var
|
|
|
|
%val = load i32, i32* @var
|
|
ret i32 %val
|
|
}
|