| Joey Gouly | 1d505a3 | 2013-01-10 10:31:11 +0000 | [diff] [blame^] | 1 | ; RUN: opt < %s -S -globalopt -instcombine | FileCheck %s |
| Chris Lattner | ef07cc5 | 2004-12-12 05:52:12 +0000 | [diff] [blame] | 2 | ;; check that global opt turns integers that only hold 0 or 1 into bools. |
| 3 | |
| Joey Gouly | 1d505a3 | 2013-01-10 10:31:11 +0000 | [diff] [blame^] | 4 | @G = internal addrspace(1) global i32 0 |
| 5 | ; CHECK @G.b |
| 6 | ; CHECK addrspace(1) |
| 7 | ; CHECK global i1 0 |
| Chris Lattner | ef07cc5 | 2004-12-12 05:52:12 +0000 | [diff] [blame] | 8 | |
| Tanya Lattner | ec9a35a | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 9 | define void @set1() { |
| Joey Gouly | 1d505a3 | 2013-01-10 10:31:11 +0000 | [diff] [blame^] | 10 | store i32 0, i32 addrspace(1)* @G |
| 11 | ; CHECK: store i1 false |
| 12 | ret void |
| Chris Lattner | ef07cc5 | 2004-12-12 05:52:12 +0000 | [diff] [blame] | 13 | } |
| 14 | |
| Tanya Lattner | ec9a35a | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 15 | define void @set2() { |
| Joey Gouly | 1d505a3 | 2013-01-10 10:31:11 +0000 | [diff] [blame^] | 16 | store i32 1, i32 addrspace(1)* @G |
| 17 | ; CHECK: store i1 true |
| 18 | ret void |
| Chris Lattner | ef07cc5 | 2004-12-12 05:52:12 +0000 | [diff] [blame] | 19 | } |
| Tanya Lattner | ec9a35a | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 20 | |
| 21 | define i1 @get() { |
| Joey Gouly | 1d505a3 | 2013-01-10 10:31:11 +0000 | [diff] [blame^] | 22 | ; CHECK @get |
| 23 | %A = load i32 addrspace(1) * @G |
| 24 | %C = icmp slt i32 %A, 2 |
| 25 | ret i1 %C |
| 26 | ; CHECK: ret i1 true |
| Tanya Lattner | ec9a35a | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 27 | } |
| 28 | |