| Peter Collingbourne | 7dd8dbf | 2016-04-22 21:18:02 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -instsimplify -S | FileCheck %s |
| 2 | |
| 3 | target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32" |
| 4 | target triple = "i386-unknown-linux-gnu" |
| 5 | |
| 6 | @a = external global i8 |
| 7 | |
| 8 | @c1 = constant [3 x i32] [i32 0, i32 0, |
| 9 | i32 sub (i32 ptrtoint (i8* @a to i32), i32 ptrtoint (i32* getelementptr ([3 x i32], [3 x i32]* @c1, i32 0, i32 2) to i32)) |
| 10 | ] |
| 11 | |
| 12 | ; CHECK: @f1 |
| 13 | define i8* @f1() { |
| 14 | ; CHECK: ret i8* @a |
| 15 | %l = call i8* @llvm.load.relative.i32(i8* bitcast (i32* getelementptr ([3 x i32], [3 x i32]* @c1, i32 0, i32 2) to i8*), i32 0) |
| 16 | ret i8* %l |
| 17 | } |
| 18 | |
| 19 | declare i8* @llvm.load.relative.i32(i8*, i32) |