File: and-cmpz-to-shift.ll

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llvm-toolchain-snapshot 1%3A22~%2B%2B20250731080150%2Bbe449d6b6587-1~exp1
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -mtriple=thumbv6m %s -o - | FileCheck %s --check-prefix=T1
; RUN: llc -mtriple=thumbv7m %s -o - | FileCheck %s --check-prefix=T2

define void @test(i32 %x, i32 %a, i32 %b, i32 %c, i32 %d, ptr %p1, ptr %p2) {
; T1-LABEL: test:
; T1:       @ %bb.0:
; T1-NEXT:    push {r4, lr}
; T1-NEXT:    movs r4, #1
; T1-NEXT:    lsls r4, r4, #24
; T1-NEXT:    tst r0, r4
; T1-NEXT:    beq .LBB0_2
; T1-NEXT:  @ %bb.1:
; T1-NEXT:    mov r1, r2
; T1-NEXT:  .LBB0_2:
; T1-NEXT:    ldr r0, [sp, #12]
; T1-NEXT:    str r1, [r0]
; T1-NEXT:    beq .LBB0_4
; T1-NEXT:  @ %bb.3:
; T1-NEXT:    ldr r3, [sp, #8]
; T1-NEXT:  .LBB0_4:
; T1-NEXT:    ldr r0, [sp, #16]
; T1-NEXT:    str r3, [r0]
; T1-NEXT:    pop {r4, pc}
;
; T2-LABEL: test:
; T2:       @ %bb.0:
; T2-NEXT:    tst.w r0, #16777216
; T2-NEXT:    ldr r0, [sp, #4]
; T2-NEXT:    it ne
; T2-NEXT:    movne r1, r2
; T2-NEXT:    str r1, [r0]
; T2-NEXT:    ldr r1, [sp, #8]
; T2-NEXT:    ldr r0, [sp]
; T2-NEXT:    it eq
; T2-NEXT:    moveq r0, r3
; T2-NEXT:    str r0, [r1]
; T2-NEXT:    bx lr
  %and = and i32 %x, u0x1000000
  %cmp = icmp eq i32 %and, 0
  %sel1 = select i1 %cmp, i32 %a, i32 %b
  %sel2 = select i1 %cmp, i32 %c, i32 %d
  store i32 %sel1, ptr %p1, align 4
  store i32 %sel2, ptr %p2, align 4
  ret void
}