Mercurial > hg > CbC > CbC_llvm
diff test/CodeGen/AArch64/arm64-fast-isel-gv.ll @ 77:54457678186b LLVM3.6
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-gv.ll Mon Sep 08 22:06:00 2014 +0900 @@ -0,0 +1,37 @@ +; RUN: llc -O0 -fast-isel-abort -verify-machineinstrs -mtriple=arm64-apple-darwin < %s | FileCheck %s + +; Test load/store of global value from global offset table. +@seed = common global i64 0, align 8 + +define void @Initrand() nounwind { +entry: +; CHECK: @Initrand +; CHECK: adrp [[REG:x[0-9]+]], _seed@GOTPAGE +; CHECK: ldr [[REG2:x[0-9]+]], {{\[}}[[REG]], _seed@GOTPAGEOFF{{\]}} +; CHECK: str {{x[0-9]+}}, {{\[}}[[REG2]]{{\]}} + store i64 74755, i64* @seed, align 8 + ret void +} + +define i32 @Rand() nounwind { +entry: +; CHECK: @Rand +; CHECK: adrp [[REG1:x[0-9]+]], _seed@GOTPAGE +; CHECK: ldr [[REG2:x[0-9]+]], {{\[}}[[REG1]], _seed@GOTPAGEOFF{{\]}} +; CHECK: movz [[REG3:x[0-9]+]], #0x3619 +; CHECK: movz [[REG4:x[0-9]+]], #0x51d +; CHECK: ldr [[REG5:x[0-9]+]], {{\[}}[[REG2]]{{\]}} +; CHECK: mul [[REG6:x[0-9]+]], [[REG5]], [[REG4]] +; CHECK: add [[REG7:x[0-9]+]], [[REG6]], [[REG3]] +; CHECK: and [[REG8:x[0-9]+]], [[REG7]], #0xffff +; CHECK: str [[REG8]], {{\[}}[[REG1]]{{\]}} +; CHECK: ldr {{x[0-9]+}}, {{\[}}[[REG1]]{{\]}} + %0 = load i64* @seed, align 8 + %mul = mul nsw i64 %0, 1309 + %add = add nsw i64 %mul, 13849 + %and = and i64 %add, 65535 + store i64 %and, i64* @seed, align 8 + %1 = load i64* @seed, align 8 + %conv = trunc i64 %1 to i32 + ret i32 %conv +}