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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
; RUN: llc --mtriple=aarch64-linux-gnu -o - %s | FileCheck %s
declare void @f(i64)
define void @bt(i64 %val) {
; CHECK-LABEL: bt:
; CHECK: // %bb.0:
; CHECK-NEXT: mov w8, #123 // =0x7b
; CHECK-NEXT: lsr x8, x8, x0
; CHECK-NEXT: tbz w8, #0, .LBB0_2
; CHECK-NEXT: // %bb.1: // %common.ret
; CHECK-NEXT: ret
; CHECK-NEXT: .LBB0_2: // %t
; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset w30, -16
; CHECK-NEXT: mov x0, xzr
; CHECK-NEXT: bl f
; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: ret
%shl = shl nuw i64 1, %val
%and = and i64 %shl, 123
%cmp = icmp eq i64 %and, 0
br i1 %cmp, label %t, label %f
t:
call void @f(i64 0)
ret void
f:
ret void
}
define void @bt_shl_use(i64 %val) {
; CHECK-LABEL: bt_shl_use:
; CHECK: // %bb.0:
; CHECK-NEXT: mov w8, #123 // =0x7b
; CHECK-NEXT: lsr x8, x8, x0
; CHECK-NEXT: tbz w8, #0, .LBB1_2
; CHECK-NEXT: // %bb.1: // %common.ret
; CHECK-NEXT: ret
; CHECK-NEXT: .LBB1_2: // %t
; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset w30, -16
; CHECK-NEXT: mov w8, #1 // =0x1
; CHECK-NEXT: lsl x0, x8, x0
; CHECK-NEXT: bl f
; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: ret
%shl = shl nuw i64 1, %val
%and = and i64 %shl, 123
%cmp = icmp eq i64 %and, 0
br i1 %cmp, label %t, label %f
t:
call void @f(i64 %shl)
ret void
f:
ret void
}
define void @bt_and_use(i64 %val) {
; CHECK-LABEL: bt_and_use:
; CHECK: // %bb.0:
; CHECK-NEXT: mov w8, #123 // =0x7b
; CHECK-NEXT: lsr x9, x8, x0
; CHECK-NEXT: tbz w9, #0, .LBB2_2
; CHECK-NEXT: // %bb.1: // %common.ret
; CHECK-NEXT: ret
; CHECK-NEXT: .LBB2_2: // %t
; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset w30, -16
; CHECK-NEXT: mov w9, #1 // =0x1
; CHECK-NEXT: lsl x9, x9, x0
; CHECK-NEXT: and x0, x9, x8
; CHECK-NEXT: bl f
; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: ret
%shl = shl nuw i64 1, %val
%and = and i64 %shl, 123
%cmp = icmp eq i64 %and, 0
br i1 %cmp, label %t, label %f
t:
call void @f(i64 %and)
ret void
f:
ret void
}
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