xref: /llvm-project/llvm/test/CodeGen/Thumb/constants.ll (revision d41059a9f6d04d3314636f6da524ba74b3442f3b)
1; RUN: llc < %s -mtriple=thumbv7-linux-gnueabi -mcpu=cortex-m0 -verify-machineinstrs | FileCheck --check-prefix CHECK-T1 %s
2; RUN: llc < %s -mtriple=thumbv7-linux-gnueabi -mcpu=cortex-m3 -verify-machineinstrs | FileCheck --check-prefix CHECK-T2 %s
3
4; CHECK-T1-LABEL: @mov_and_add
5; CHECK-T2-LABEL: @mov_and_add
6; CHECK-T1: movs r0, #255
7; CHECK-T1: adds r0, #12
8; CHECK-T2: movw r0, #267
9define i32 @mov_and_add() {
10  ret i32 267
11}
12
13; CHECK-T1-LABEL: @mov_and_add2
14; CHECK-T2-LABEL: @mov_and_add2
15; CHECK-T1: ldr r0,
16; CHECK-T2: movw r0, #511
17define i32 @mov_and_add2() {
18  ret i32 511
19}
20
21; CHECK-T1-LABEL: @test64
22; CHECK-T2-LABEL: @test64
23; CHECK-T1: movs r4, #0
24; CHECK-T1: mvns r5, r4
25; CHECK-T1: mov r0, r5
26; CHECK-T1: subs r0, #15
27; CHECK-T2: subs.w r0, r{{[0-9]+}}, #15
28; CHECK-T2-NEXT: sbc r1, r{{[0-9]+}}, #0
29define i32 @test64() {
30entry:
31  tail call void @fn1(i64 -1)
32  tail call void @fn1(i64 -1)
33  tail call void @fn1(i64 -16)
34  ret i32 0
35}
36declare void @fn1(i64) ;
37