| ; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -disable-block-placement -verify-machineinstrs | FileCheck %s |
| |
| ; Test switch instructions. Block placement is disabled because it reorders |
| ; the blocks in a way that isn't interesting here. |
| |
| target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" |
| target triple = "wasm32-unknown-unknown" |
| |
| declare void @foo0() |
| declare void @foo1() |
| declare void @foo2() |
| declare void @foo3() |
| declare void @foo4() |
| declare void @foo5() |
| |
| ; CHECK-LABEL: bar32: |
| ; CHECK: block {{$}} |
| ; CHECK: block {{$}} |
| ; CHECK: block {{$}} |
| ; CHECK: block {{$}} |
| ; CHECK: block {{$}} |
| ; CHECK: block {{$}} |
| ; CHECK: block {{$}} |
| ; CHECK: br_table {{[^,]+}}, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 4, 5, 0{{$}} |
| ; CHECK: .LBB0_2: |
| ; CHECK: call foo0@FUNCTION{{$}} |
| ; CHECK: .LBB0_3: |
| ; CHECK: call foo1@FUNCTION{{$}} |
| ; CHECK: .LBB0_4: |
| ; CHECK: call foo2@FUNCTION{{$}} |
| ; CHECK: .LBB0_5: |
| ; CHECK: call foo3@FUNCTION{{$}} |
| ; CHECK: .LBB0_6: |
| ; CHECK: call foo4@FUNCTION{{$}} |
| ; CHECK: .LBB0_7: |
| ; CHECK: call foo5@FUNCTION{{$}} |
| ; CHECK: .LBB0_8: |
| ; CHECK: return{{$}} |
| define void @bar32(i32 %n) { |
| entry: |
| switch i32 %n, label %sw.epilog [ |
| i32 0, label %sw.bb |
| i32 1, label %sw.bb |
| i32 2, label %sw.bb |
| i32 3, label %sw.bb |
| i32 4, label %sw.bb |
| i32 5, label %sw.bb |
| i32 6, label %sw.bb |
| i32 7, label %sw.bb.1 |
| i32 8, label %sw.bb.1 |
| i32 9, label %sw.bb.1 |
| i32 10, label %sw.bb.1 |
| i32 11, label %sw.bb.1 |
| i32 12, label %sw.bb.1 |
| i32 13, label %sw.bb.1 |
| i32 14, label %sw.bb.1 |
| i32 15, label %sw.bb.2 |
| i32 16, label %sw.bb.2 |
| i32 17, label %sw.bb.2 |
| i32 18, label %sw.bb.2 |
| i32 19, label %sw.bb.2 |
| i32 20, label %sw.bb.2 |
| i32 21, label %sw.bb.3 |
| i32 22, label %sw.bb.4 |
| i32 23, label %sw.bb.5 |
| ] |
| |
| sw.bb: ; preds = %entry, %entry, %entry, %entry, %entry, %entry, %entry |
| tail call void @foo0() |
| br label %sw.epilog |
| |
| sw.bb.1: ; preds = %entry, %entry, %entry, %entry, %entry, %entry, %entry, %entry |
| tail call void @foo1() |
| br label %sw.epilog |
| |
| sw.bb.2: ; preds = %entry, %entry, %entry, %entry, %entry, %entry |
| tail call void @foo2() |
| br label %sw.epilog |
| |
| sw.bb.3: ; preds = %entry |
| tail call void @foo3() |
| br label %sw.epilog |
| |
| sw.bb.4: ; preds = %entry |
| tail call void @foo4() |
| br label %sw.epilog |
| |
| sw.bb.5: ; preds = %entry |
| tail call void @foo5() |
| br label %sw.epilog |
| |
| sw.epilog: ; preds = %entry, %sw.bb.5, %sw.bb.4, %sw.bb.3, %sw.bb.2, %sw.bb.1, %sw.bb |
| ret void |
| } |
| |
| ; CHECK-LABEL: bar64: |
| ; CHECK: block {{$}} |
| ; CHECK: block {{$}} |
| ; CHECK: block {{$}} |
| ; CHECK: block {{$}} |
| ; CHECK: block {{$}} |
| ; CHECK: block {{$}} |
| ; CHECK: block {{$}} |
| ; CHECK: br_table {{[^,]+}}, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 4, 5, 0{{$}} |
| ; CHECK: .LBB1_2: |
| ; CHECK: call foo0@FUNCTION{{$}} |
| ; CHECK: .LBB1_3: |
| ; CHECK: call foo1@FUNCTION{{$}} |
| ; CHECK: .LBB1_4: |
| ; CHECK: call foo2@FUNCTION{{$}} |
| ; CHECK: .LBB1_5: |
| ; CHECK: call foo3@FUNCTION{{$}} |
| ; CHECK: .LBB1_6: |
| ; CHECK: call foo4@FUNCTION{{$}} |
| ; CHECK: .LBB1_7: |
| ; CHECK: call foo5@FUNCTION{{$}} |
| ; CHECK: .LBB1_8: |
| ; CHECK: return{{$}} |
| define void @bar64(i64 %n) { |
| entry: |
| switch i64 %n, label %sw.epilog [ |
| i64 0, label %sw.bb |
| i64 1, label %sw.bb |
| i64 2, label %sw.bb |
| i64 3, label %sw.bb |
| i64 4, label %sw.bb |
| i64 5, label %sw.bb |
| i64 6, label %sw.bb |
| i64 7, label %sw.bb.1 |
| i64 8, label %sw.bb.1 |
| i64 9, label %sw.bb.1 |
| i64 10, label %sw.bb.1 |
| i64 11, label %sw.bb.1 |
| i64 12, label %sw.bb.1 |
| i64 13, label %sw.bb.1 |
| i64 14, label %sw.bb.1 |
| i64 15, label %sw.bb.2 |
| i64 16, label %sw.bb.2 |
| i64 17, label %sw.bb.2 |
| i64 18, label %sw.bb.2 |
| i64 19, label %sw.bb.2 |
| i64 20, label %sw.bb.2 |
| i64 21, label %sw.bb.3 |
| i64 22, label %sw.bb.4 |
| i64 23, label %sw.bb.5 |
| ] |
| |
| sw.bb: ; preds = %entry, %entry, %entry, %entry, %entry, %entry, %entry |
| tail call void @foo0() |
| br label %sw.epilog |
| |
| sw.bb.1: ; preds = %entry, %entry, %entry, %entry, %entry, %entry, %entry, %entry |
| tail call void @foo1() |
| br label %sw.epilog |
| |
| sw.bb.2: ; preds = %entry, %entry, %entry, %entry, %entry, %entry |
| tail call void @foo2() |
| br label %sw.epilog |
| |
| sw.bb.3: ; preds = %entry |
| tail call void @foo3() |
| br label %sw.epilog |
| |
| sw.bb.4: ; preds = %entry |
| tail call void @foo4() |
| br label %sw.epilog |
| |
| sw.bb.5: ; preds = %entry |
| tail call void @foo5() |
| br label %sw.epilog |
| |
| sw.epilog: ; preds = %entry, %sw.bb.5, %sw.bb.4, %sw.bb.3, %sw.bb.2, %sw.bb.1, %sw.bb |
| ret void |
| } |
