b

Author: AZero13

llvm/test/CodeGen/Thumb/bic_imm.ll

@@ -39,14 +39,19 @@ entry:
 define void @truncated(i16 %a, ptr %p) {
 ; CHECK-T1-LABEL: truncated:
 ; CHECK-T1:       @ %bb.0:
-; CHECK-T1-NEXT:    movs r2, #128
-; CHECK-T1-NEXT:    bics r0, r2
-; CHECK-T1-NEXT:    strh r0, [r1]
+; CHECK-T1-NEXT:    ldr r2, .LCPI2_0
+; CHECK-T1-NEXT:    ands r2, r0
+; CHECK-T1-NEXT:    strh r2, [r1]
 ; CHECK-T1-NEXT:    bx lr
+; CHECK-T1-NEXT:    .p2align 2
+; CHECK-T1-NEXT:  @ %bb.1:
+; CHECK-T1-NEXT:  .LCPI2_0:
+; CHECK-T1-NEXT:    .long 65407 @ 0xff7f
 ;
 ; CHECK-T2-LABEL: truncated:
 ; CHECK-T2:       @ %bb.0:
-; CHECK-T2-NEXT:    bic r0, r0, #128
+; CHECK-T2-NEXT:    movw r2, #65407
+; CHECK-T2-NEXT:    ands r0, r2
 ; CHECK-T2-NEXT:    strh r0, [r1]
 ; CHECK-T2-NEXT:    bx lr
   %and = and i16 %a, -129
@@ -57,14 +62,19 @@ define void @truncated(i16 %a, ptr %p) {
 define void @truncated_neg2(i16 %a, ptr %p) {
 ; CHECK-T1-LABEL: truncated_neg2:
 ; CHECK-T1:       @ %bb.0:
-; CHECK-T1-NEXT:    movs r2, #1
-; CHECK-T1-NEXT:    bics r0, r2
-; CHECK-T1-NEXT:    strh r0, [r1]
+; CHECK-T1-NEXT:    ldr r2, .LCPI3_0
+; CHECK-T1-NEXT:    ands r2, r0
+; CHECK-T1-NEXT:    strh r2, [r1]
 ; CHECK-T1-NEXT:    bx lr
+; CHECK-T1-NEXT:    .p2align 2
+; CHECK-T1-NEXT:  @ %bb.1:
+; CHECK-T1-NEXT:  .LCPI3_0:
+; CHECK-T1-NEXT:    .long 65534 @ 0xfffe
 ;
 ; CHECK-T2-LABEL: truncated_neg2:
 ; CHECK-T2:       @ %bb.0:
-; CHECK-T2-NEXT:    bic r0, r0, #1
+; CHECK-T2-NEXT:    movw r2, #65534
+; CHECK-T2-NEXT:    ands r0, r2
 ; CHECK-T2-NEXT:    strh r0, [r1]
 ; CHECK-T2-NEXT:    bx lr
   %and = and i16 %a, -2
@@ -76,13 +86,14 @@ define void @truncated_neg256(i16 %a, ptr %p) {
 ; CHECK-T1-LABEL: truncated_neg256:
 ; CHECK-T1:       @ %bb.0:
 ; CHECK-T1-NEXT:    movs r2, #255
-; CHECK-T1-NEXT:    bics r0, r2
-; CHECK-T1-NEXT:    strh r0, [r1]
+; CHECK-T1-NEXT:    lsls r2, r2, #8
+; CHECK-T1-NEXT:    ands r2, r0
+; CHECK-T1-NEXT:    strh r2, [r1]
 ; CHECK-T1-NEXT:    bx lr
 ;
 ; CHECK-T2-LABEL: truncated_neg256:
 ; CHECK-T2:       @ %bb.0:
-; CHECK-T2-NEXT:    bic r0, r0, #255
+; CHECK-T2-NEXT:    and r0, r0, #65280
 ; CHECK-T2-NEXT:    strh r0, [r1]
 ; CHECK-T2-NEXT:    bx lr
   %and = and i16 %a, -256