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llvm-mirror/test/CodeGen/WebAssembly/stack-insts.ll
Thomas Lively e9d1d2ae6e Reland "[WebAssembly] Eliminate range checks on br_tables"
This reverts commit 755a89591528b692315ad0325347e2fd4637271b.
Although I was not able to reproduce any test failures locally,
aheejin was able to reproduce them and found a fix, applied here.
2020-06-03 14:04:59 -07:00

32 lines
905 B
LLVM

; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -disable-block-placement -verify-machineinstrs | FileCheck %s
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown"
declare void @foo0()
declare void @foo1()
; Tests if br_table is printed correctly with a tab.
; CHECK-LABEL: test0:
; CHECK: br_table {0, 1, 0, 1, 2}
define void @test0(i32 %n) {
entry:
switch i32 %n, label %sw.epilog [
i32 0, label %sw.bb
i32 1, label %sw.bb.1
i32 2, label %sw.bb
i32 3, label %sw.bb.1
]
sw.bb: ; preds = %entry, %entry
tail call void @foo0()
br label %sw.epilog
sw.bb.1: ; preds = %entry, %entry
tail call void @foo1()
br label %sw.epilog
sw.epilog: ; preds = %entry, %sw.bb, %sw.bb.1
ret void
}