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comparison test/CodeGen/AArch64/sdivpow2.ll @ 83:60c9769439b8 LLVM3.7

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LLVM 3.7
author Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
date Wed, 18 Feb 2015 14:55:36 +0900
parents 54457678186b
children c2174574ed3a
comparison
equal deleted inserted replaced
78:af83660cff7b 83:60c9769439b8
1 ; RUN: llc -mtriple=arm64-linux-gnu -o - %s | FileCheck %s 1 ; RUN: llc -mtriple=arm64-linux-gnu -fast-isel=0 -verify-machineinstrs < %s | FileCheck %s
2 ; RUN: llc -mtriple=arm64-linux-gnu -fast-isel=1 -verify-machineinstrs < %s | FileCheck %s
2 3
3 define i32 @test1(i32 %x) { 4 define i32 @test1(i32 %x) {
4 ; CHECK-LABEL: test1 5 ; CHECK-LABEL: test1
5 ; CHECK: add w8, w0, #7 6 ; CHECK: add w8, w0, #7
6 ; CHECK: cmp w0, #0 7 ; CHECK: cmp w0, #0
57 ; CHECK: csel x8, x8, x0, lt 58 ; CHECK: csel x8, x8, x0, lt
58 ; CHECK: asr x0, x8, #6 59 ; CHECK: asr x0, x8, #6
59 %div = sdiv i64 %x, 64 60 %div = sdiv i64 %x, 64
60 ret i64 %div 61 ret i64 %div
61 } 62 }
63
64 define i64 @test7(i64 %x) {
65 ; CHECK-LABEL: test7
66 ; CHECK: orr [[REG:x[0-9]+]], xzr, #0xffffffffffff
67 ; CHECK: add x8, x0, [[REG]]
68 ; CHECK: cmp x0, #0
69 ; CHECK: csel x8, x8, x0, lt
70 ; CHECK: asr x0, x8, #48
71 %div = sdiv i64 %x, 281474976710656
72 ret i64 %div
73 }
74