llvm-for-llvmta/test/CodeGen/Thumb2/thumb2-sub.ll

50 lines
964 B
LLVM

; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s
; 171 = 0x000000ab
define i32 @f1(i32 %a) {
; CHECK-LABEL: f1:
; CHECK: subs r0, #171
%tmp = sub i32 %a, 171
ret i32 %tmp
}
; 1179666 = 0x00120012
define i32 @f2(i32 %a) {
; CHECK-LABEL: f2:
; CHECK: sub.w r0, r0, #1179666
%tmp = sub i32 %a, 1179666
ret i32 %tmp
}
; 872428544 = 0x34003400
define i32 @f3(i32 %a) {
; CHECK-LABEL: f3:
; CHECK: sub.w r0, r0, #872428544
%tmp = sub i32 %a, 872428544
ret i32 %tmp
}
; 1448498774 = 0x56565656
define i32 @f4(i32 %a) {
; CHECK-LABEL: f4:
; CHECK: sub.w r0, r0, #1448498774
%tmp = sub i32 %a, 1448498774
ret i32 %tmp
}
; 510 = 0x000001fe
define i32 @f5(i32 %a) {
; CHECK-LABEL: f5:
; CHECK: sub.w r0, r0, #510
%tmp = sub i32 %a, 510
ret i32 %tmp
}
; Don't change this to an add.
define i32 @f6(i32 %a) {
; CHECK-LABEL: f6:
; CHECK: subs r0, #1
%tmp = sub i32 %a, 1
ret i32 %tmp
}