| ; RUN: llc -mtriple=aarch64-none-linux-gnu %s -o - -O1 -debug-only=consthoist 2>&1 | FileCheck %s |
| ; REQUIRES: asserts |
| |
| declare void @g(i64) |
| |
| ; Single ORR. |
| ; CHECK: Function: f1 |
| ; CHECK-NOT: Collect constant |
| define void @f1(i1 %cond) { |
| entry: |
| call void @g(i64 -3) |
| br i1 %cond, label %true, label %ret |
| |
| true: |
| call void @g(i64 -3) |
| br label %ret |
| |
| ret: |
| ret void |
| } |
| |
| ; Constant is 0xBEEF000000000000, single MOVZ with shift. |
| ; CHECK: Function: f2 |
| ; CHECK-NOT: Collect constant |
| define void @f2(i1 %cond, i64 %p, i64 %q) { |
| entry: |
| %a = and i64 %p, 13758215386640154624 |
| call void @g(i64 %a) |
| br i1 %cond, label %true, label %ret |
| |
| true: |
| %b = and i64 %q, 13758215386640154624 |
| call void @g(i64 %b) |
| br label %ret |
| |
| ret: |
| ret void |
| } |
| |
| ; CHECK: Function: f3 |
| ; CHECK: Collect constant i64 4294967103 from %a = and i64 %p, 4294967103 with cost 2 |
| define void @f3(i1 %cond, i64 %p, i64 %q) { |
| entry: |
| %a = and i64 %p, 4294967103 |
| call void @g(i64 %a) |
| br i1 %cond, label %true, label %ret |
| |
| true: |
| %b = and i64 %q, 4294967103 |
| call void @g(i64 %b) |
| br label %ret |
| |
| ret: |
| ret void |
| } |
| |
| ; CHECK: Function: f4 |
| ; Collect constant i64 -4688528683866062848 from %a = and i64 %p, -4688528683866062848 with cost 2 |
| define void @f4(i1 %cond, i64 %p, i64 %q) { |
| entry: |
| %a = and i64 %p, 13758215389843488768 |
| call void @g(i64 %a) |
| br i1 %cond, label %true, label %ret |
| |
| true: |
| %b = and i64 %q, 13758215389843488768 |
| call void @g(i64 %b) |
| br label %ret |
| |
| ret: |
| ret void |
| } |
| |
| ; CHECK: Function: f5 |
| ; Collect constant i64 88994925642865 from %a = and i64 %p, 88994925642865 with cost 3 |
| define void @f5(i1 %cond, i64 %p, i64 %q) { |
| entry: |
| %a = and i64 %p, 88994925642865 |
| call void @g(i64 %a) |
| br i1 %cond, label %true, label %ret |
| |
| true: |
| %b = and i64 %q, 88994925642865 |
| call void @g(i64 %b) |
| br label %ret |
| |
| ret: |
| ret void |
| } |
| |
| ; CHECK: Function: f6 |
| ; Collect constant i64 -4688439692143754127 from %b = and i64 %q, -4688439692143754127 with cost 4 |
| define void @f6(i1 %cond, i64 %p, i64 %q) { |
| entry: |
| %a = and i64 %p, 13758304381565797489 |
| call void @g(i64 %a) |
| br i1 %cond, label %true, label %ret |
| |
| true: |
| %b = and i64 %q, 13758304381565797489 |
| call void @g(i64 %b) |
| br label %ret |
| |
| ret: |
| ret void |
| } |