1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
; RUN: llc -mtriple=armv4-none--eabi < %s | FileCheck %s --check-prefix=CHECK-LOLOMOV
; RUN: llc -mtriple=armv4t-none--eabi < %s | FileCheck %s --check-prefix=CHECK-LOLOMOV
; RUN: llc -mtriple=armv5-none--eabi < %s | FileCheck %s --check-prefix=CHECK-LOLOMOV
; RUN: llc -mtriple=armv6-none--eabi < %s | FileCheck %s --check-prefix=CHECK-LOLOMOV
; RUN: llc -mtriple=armv7-none--eabi < %s | FileCheck %s --check-prefix=CHECK-LOLOMOV
; RUN: llc -mtriple=thumbv6-none--eabi < %s | FileCheck %s --check-prefix=CHECK-LOLOMOV
; RUN: llc -mtriple=thumbv7-none--eabi < %s | FileCheck %s --check-prefix=CHECK-LOLOMOV
; CHECK-LOLOMOV-LABEL: foo
; CHECK-LOLOMOV: mov [[TMP:r[0-7]]], [[SRC1:r[01]]]
; CHECK-LOLOMOV-NEXT: mov [[SRC1]], [[SRC2:r[01]]]
; CHECK-LOLOMOV-NEXT: mov [[SRC2]], [[TMP]]
; CHECK-LOLOMOV-LABEL: bar
; CHECK-LOLOMOV-LABEL: fnend
;
; 'MOV lo, lo' in Thumb mode produces undefined results on pre-v6 hardware
; RUN: llc -mtriple=thumbv4t-none--eabi < %s | FileCheck %s --check-prefix=CHECK-NOLOLOMOV
; RUN: llc -mtriple=thumbv5-none--eabi < %s | FileCheck %s --check-prefix=CHECK-NOLOLOMOV
; CHECK-NOLOLOMOV-LABEL: foo
; CHECK-NOLOLOMOV-NOT: mov [[TMP:r[0-7]]], [[SRC1:r[01]]]
; CHECK-NOLOLOMOV: push {[[SRC1:r[01]]]}
; CHECK-NOLOLOMOV-NEXT: pop {[[TMP:r[0-7]]]}
; CHECK-NOLOLOMOV-NOT: mov [[TMP:r[0-7]]], [[SRC1:r[01]]]
; CHECK-NOLOLOMOV: push {[[SRC2:r[01]]]}
; CHECK-NOLOLOMOV-NEXT: pop {[[SRC1]]}
; CHECK-NOLOLOMOV-NOT: mov [[TMP:r[0-7]]], [[SRC1:r[01]]]
; CHECK-NOLOLOMOV: push {[[TMP]]}
; CHECK-NOLOLOMOV-NEXT: pop {[[SRC2]]}
; CHECK-NOLOLOMOV-LABEL: bar
; CHECK-NOLOLOMOV-LABEL: fnend
declare void @bar(i32, i32)
define void @foo(i32 %a, i32 %b) {
entry:
call void @bar(i32 %b, i32 %a);
ret void
}
|
