Mercurial > hg > Members > tobaru > cbc > CbC_llvm
diff test/CodeGen/AArch64/arm64-fast-isel-indirectbr.ll @ 77:54457678186b
LLVM 3.6
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
---|---|
date | Mon, 08 Sep 2014 22:06:00 +0900 |
parents | |
children | afa8332a0e37 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/CodeGen/AArch64/arm64-fast-isel-indirectbr.ll Mon Sep 08 22:06:00 2014 +0900 @@ -0,0 +1,36 @@ +; RUN: llc -O0 -fast-isel-abort -verify-machineinstrs -mtriple=arm64-apple-darwin < %s | FileCheck %s + +@fn.table = internal global [2 x i8*] [i8* blockaddress(@fn, %ZERO), i8* blockaddress(@fn, %ONE)], align 8 + +define i32 @fn(i32 %target) nounwind { +entry: +; CHECK-LABEL: fn + %retval = alloca i32, align 4 + %target.addr = alloca i32, align 4 + store i32 %target, i32* %target.addr, align 4 + %0 = load i32* %target.addr, align 4 + %idxprom = zext i32 %0 to i64 + %arrayidx = getelementptr inbounds [2 x i8*]* @fn.table, i32 0, i64 %idxprom + %1 = load i8** %arrayidx, align 8 + br label %indirectgoto + +ZERO: ; preds = %indirectgoto +; CHECK: LBB0_1 + store i32 0, i32* %retval + br label %return + +ONE: ; preds = %indirectgoto +; CHECK: LBB0_2 + store i32 1, i32* %retval + br label %return + +return: ; preds = %ONE, %ZERO + %2 = load i32* %retval + ret i32 %2 + +indirectgoto: ; preds = %entry +; CHECK: ldr [[REG:x[0-9]+]], [sp] +; CHECK-NEXT: br [[REG]] + %indirect.goto.dest = phi i8* [ %1, %entry ] + indirectbr i8* %indirect.goto.dest, [label %ZERO, label %ONE] +}