legacy asm printer uses instructions of the form, "mov r0, r0, lsl #3", while
the MC-instruction printer uses the form "lsl r0, r0, #3". The latter mnemonic
is correct and preferred according the ARM documentation (A8.6.98). The former
are pseudo-instructions for the latter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114221
91177308-0d34-0410-b5e6-
96231b3b80d8
define i32 @f2(i32 %A, i32 %B) nounwind readnone optsize {
entry:
; CHECK: f2
-; CHECK: mov r1, r1, lsr #7
+; CHECK: lsr{{.*}}#7
; CHECK: bfi r0, r1, #7, #16
%and = and i32 %A, -8388481 ; <i32> [#uses=1]
%and2 = and i32 %B, 8388480 ; <i32> [#uses=1]
define i32 @f3(i32 %A, i32 %B) nounwind readnone optsize {
entry:
; CHECK: f3
-; CHECK: mov r2, r0, lsr #7
+; CHECK: lsr{{.*}} #7
; CHECK: mov r0, r1
; CHECK: bfi r0, r2, #7, #16
%and = and i32 %A, 8388480 ; <i32> [#uses=1]
; RUN: llc < %s -march=arm | FileCheck %s
define i32 @test1(i32 %X) {
-; CHECK: mov r0, r0, lsr #31
+; CHECK: lsr{{.*}}#31
entry:
icmp slt i32 %X, 0 ; <i1>:0 [#uses=1]
zext i1 %0 to i32 ; <i32>:1 [#uses=1]
define i32 @f1(i64 %x, i64 %y) {
; CHECK: f1
-; CHECK: mov r0, r0, lsl r2
+; CHECK: lsl{{.*}}r2
%a = shl i64 %x, %y
%b = trunc i64 %a to i32
ret i32 %b
define i32 @f2(i64 %x, i64 %y) {
; CHECK: f2
-; CHECK: mov r0, r0, lsr r2
+; CHECK: lsr{{.*}}r2
; CHECK-NEXT: rsb r3, r2, #32
; CHECK-NEXT: subs r2, r2, #32
; CHECK-NEXT: orr r0, r0, r1, lsl r3
define i32 @f3(i64 %x, i64 %y) {
; CHECK: f3
-; CHECK: mov r0, r0, lsr r2
+; CHECK: lsr{{.*}}r2
; CHECK-NEXT: rsb r3, r2, #32
; CHECK-NEXT: subs r2, r2, #32
; CHECK-NEXT: orr r0, r0, r1, lsl r3
entry:
; CHECK: t12288:
; CHECK: add r0, r0, r0, lsl #1
-; CHECK: mov r0, r0, lsl #12
+; CHECK: lsl{{.*}}#12
%0 = mul i32 %v, 12288
ret i32 %0
}