llvm-project/llvm/test/CodeGen/Thumb2/thumb2-mls.ll

20 lines
425 B
LLVM

; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
define i32 @f1(i32 %a, i32 %b, i32 %c) {
%tmp1 = mul i32 %a, %b
%tmp2 = sub i32 %c, %tmp1
ret i32 %tmp2
}
; CHECK: f1:
; CHECK: mls r0, r0, r1, r2
; sub doesn't commute, so no mls for this one
define i32 @f2(i32 %a, i32 %b, i32 %c) {
%tmp1 = mul i32 %a, %b
%tmp2 = sub i32 %tmp1, %c
ret i32 %tmp2
}
; CHECK: f2:
; CHECK: muls r0, r1, r0