| Manoj Gupta | 77eeac3 | 2018-07-09 22:27:23 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -globalopt -S | FileCheck %s |
| 2 | target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128" |
| 3 | |
| 4 | @G = internal global i32* null |
| 5 | |
| 6 | define void @t() #0 { |
| 7 | ; CHECK: @t() |
| 8 | ; CHECK: call i8* @malloc |
| 9 | ; CHECK: bitcast |
| 10 | ; CHECK: store |
| 11 | ; CHECK: load |
| 12 | ; CHECK: getelementptr |
| 13 | ; CHECK: store |
| 14 | %malloccall = tail call i8* @malloc(i64 mul (i64 100, i64 4)) |
| 15 | %P = bitcast i8* %malloccall to i32* |
| 16 | store i32* %P, i32** @G |
| 17 | %GV = load i32*, i32** @G |
| 18 | %GVe = getelementptr i32, i32* %GV, i32 40 |
| 19 | store i32 20, i32* %GVe |
| 20 | ret void |
| 21 | } |
| 22 | |
| 23 | declare noalias i8* @malloc(i64) |
| 24 | attributes #0 = { "null-pointer-is-valid"="true" } |