1 ; RUN: llc -mtriple=armv4-none--eabi < %s | FileCheck %s --check-prefix=CHECK-LOLOMOV 2 ; RUN: llc -mtriple=armv4t-none--eabi < %s | FileCheck %s --check-prefix=CHECK-LOLOMOV 3 ; RUN: llc -mtriple=armv5-none--eabi < %s | FileCheck %s --check-prefix=CHECK-LOLOMOV 4 ; RUN: llc -mtriple=armv6-none--eabi < %s | FileCheck %s --check-prefix=CHECK-LOLOMOV 5 ; RUN: llc -mtriple=armv7-none--eabi < %s | FileCheck %s --check-prefix=CHECK-LOLOMOV 6 ; RUN: llc -mtriple=thumbv6-none--eabi < %s | FileCheck %s --check-prefix=CHECK-LOLOMOV 7 ; RUN: llc -mtriple=thumbv7-none--eabi < %s | FileCheck %s --check-prefix=CHECK-LOLOMOV 8 ; CHECK-LOLOMOV-LABEL: foo 9 ; CHECK-LOLOMOV: mov [[TMP:r[0-7]]], [[SRC1:r[01]]] 10 ; CHECK-LOLOMOV-NEXT: mov [[SRC1]], [[SRC2:r[01]]] 11 ; CHECK-LOLOMOV-NEXT: mov [[SRC2]], [[TMP]] 12 ; CHECK-LOLOMOV-LABEL: bar 13 ; CHECK-LOLOMOV-LABEL: fnend 14 ; 15 ; 'MOV lo, lo' in Thumb mode produces undefined results on pre-v6 hardware 16 ; RUN: llc -mtriple=thumbv4t-none--eabi < %s | FileCheck %s --check-prefix=CHECK-NOLOLOMOV 17 ; RUN: llc -mtriple=thumbv5-none--eabi < %s | FileCheck %s --check-prefix=CHECK-NOLOLOMOV 18 ; CHECK-NOLOLOMOV-LABEL: foo 19 ; CHECK-NOLOLOMOV-NOT: mov [[TMP:r[0-7]]], [[SRC1:r[01]]] 20 ; CHECK-NOLOLOMOV: push {[[SRC1:r[01]]]} 21 ; CHECK-NOLOLOMOV-NEXT: pop {[[TMP:r[0-7]]]} 22 ; CHECK-NOLOLOMOV-NOT: mov [[TMP:r[0-7]]], [[SRC1:r[01]]] 23 ; CHECK-NOLOLOMOV: push {[[SRC2:r[01]]]} 24 ; CHECK-NOLOLOMOV-NEXT: pop {[[SRC1]]} 25 ; CHECK-NOLOLOMOV-NOT: mov [[TMP:r[0-7]]], [[SRC1:r[01]]] 26 ; CHECK-NOLOLOMOV: push {[[TMP]]} 27 ; CHECK-NOLOLOMOV-NEXT: pop {[[SRC2]]} 28 ; CHECK-NOLOLOMOV-LABEL: bar 29 ; CHECK-NOLOLOMOV-LABEL: fnend 30 31 declare void @bar(i32, i32) 32 33 define void @foo(i32 %a, i32 %b) { 34 entry: 35 call void @bar(i32 %b, i32 %a); 36 ret void 37 } 38 39
