| David Majnemer | 4543ff0 | 2016-01-28 18:20:05 +0000 | [diff] [blame] | 1 | ; RUN: llc -disable-constant-hoisting < %s | FileCheck %s |
| 2 | target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128" |
| 3 | target triple = "i386-unknown-linux-gnu" |
| 4 | |
| 5 | @d = global i32 8, align 4 |
| 6 | |
| 7 | define i32 @main() { |
| 8 | entry: |
| 9 | %load = load i32, i32* @d, align 4 |
| 10 | %conv1 = zext i32 %load to i64 |
| 11 | %shl = shl i64 %conv1, 1 |
| 12 | %mul = and i64 %shl, 4294967312 |
| 13 | %cmp = icmp ugt i64 4294967295, %mul |
| 14 | %zext = zext i1 %cmp to i32 |
| 15 | ret i32 %zext |
| 16 | } |
| 17 | ; CHECK: main: |
| 18 | ; CHECK: movl d, %[[load:.*]] |
| 19 | ; CHECK: movl %[[load]], %[[copy:.*]] |
| 20 | ; CHECK: shrl $31, %[[copy]] |
| 21 | ; CHECK: addl %[[load]], %[[load]] |