xref: /llvm-project/llvm/test/CodeGen/AArch64/shrink-constant-multiple-users.ll (revision c649fd34e928ad01951cbff298c5c44853dd41dd)
1; RUN: llc -mtriple arm64-ios- -aarch64-enable-sink-fold=true  %s -o - | FileCheck %s
2
3; Check the -8 constant is shrunk if there are multiple users of the AND instruction.
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5; CHECK-LABEL:  _test:
6; CHECK:          and x19, x0, #0xfffffff8
7; CHECK-NEXT:     mov x0, x19
8; CHECK-NEXT:     bl  _user
9; CHECK:          add x0, x19, #10
10
11define i64 @test(i32 %a) {
12  %ext = zext i32 %a to i64
13  %v1 = and i64 %ext, -8
14  %v2 = add i64 %v1, 10
15  call void @user(i64 %v1)
16  ret i64 %v2
17}
18
19declare void @user(i64)
20