| Eric Christopher | cee313d | 2019-04-17 04:52:47 +0000 | [diff] [blame] | 1 | ; RUN: opt -S < %s -globalopt | FileCheck %s |
| 2 | |
| 3 | @G = internal global i32 42 |
| 4 | |
| 5 | define i8 @f() norecurse { |
| 6 | ; CHECK-LABEL: @f |
| 7 | ; CHECK: alloca |
| 8 | ; CHECK-NOT: @G |
| 9 | ; CHECK: } |
| 10 | store i32 42, i32* @G |
| 11 | %a = load i8, i8* bitcast (i32* @G to i8*) |
| 12 | ret i8 %a |
| 13 | } |
| 14 | |
| 15 | @H = internal global i32 42 |
| 16 | @Halias = alias i32, i32* @H |
| 17 | |
| 18 | ; @H can't be localized because @Halias uses it, and @Halias can't be converted to an instruction. |
| 19 | define i8 @g() norecurse { |
| 20 | ; CHECK-LABEL: @g |
| 21 | ; CHECK-NOT: alloca |
| 22 | ; CHECK: @H |
| 23 | ; CHECK: } |
| 24 | store i32 42, i32* @H |
| 25 | %a = load i8, i8* bitcast (i32* @H to i8*) |
| 26 | ret i8 %a |
| 27 | } |
| 28 | |