| Chandler Carruth | a7cb699 | 2012-01-09 09:44:26 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -march=x86 | FileCheck %s |
| Evan Cheng | 1314b00 | 2007-12-13 00:43:27 +0000 | [diff] [blame] | 2 | |
| 3 | define i32 @t1(i8* %X, i32 %i) { |
| Chandler Carruth | a7cb699 | 2012-01-09 09:44:26 +0000 | [diff] [blame^] | 4 | ; CHECK: t1: |
| 5 | ; CHECK-NOT: and |
| 6 | ; CHECK: movzbl |
| 7 | ; CHECK: movl (%{{...}},%{{...}},4), |
| 8 | ; CHECK: ret |
| 9 | |
| Evan Cheng | 1314b00 | 2007-12-13 00:43:27 +0000 | [diff] [blame] | 10 | entry: |
| Chandler Carruth | a7cb699 | 2012-01-09 09:44:26 +0000 | [diff] [blame^] | 11 | %tmp2 = shl i32 %i, 2 |
| 12 | %tmp4 = and i32 %tmp2, 1020 |
| 13 | %tmp7 = getelementptr i8* %X, i32 %tmp4 |
| 14 | %tmp78 = bitcast i8* %tmp7 to i32* |
| 15 | %tmp9 = load i32* %tmp78 |
| 16 | ret i32 %tmp9 |
| Evan Cheng | 1314b00 | 2007-12-13 00:43:27 +0000 | [diff] [blame] | 17 | } |
| 18 | |
| 19 | define i32 @t2(i16* %X, i32 %i) { |
| Chandler Carruth | a7cb699 | 2012-01-09 09:44:26 +0000 | [diff] [blame^] | 20 | ; CHECK: t2: |
| 21 | ; CHECK-NOT: and |
| 22 | ; CHECK: movzwl |
| 23 | ; CHECK: movl (%{{...}},%{{...}},4), |
| 24 | ; CHECK: ret |
| 25 | |
| Evan Cheng | 1314b00 | 2007-12-13 00:43:27 +0000 | [diff] [blame] | 26 | entry: |
| Chandler Carruth | a7cb699 | 2012-01-09 09:44:26 +0000 | [diff] [blame^] | 27 | %tmp2 = shl i32 %i, 1 |
| 28 | %tmp4 = and i32 %tmp2, 131070 |
| 29 | %tmp7 = getelementptr i16* %X, i32 %tmp4 |
| 30 | %tmp78 = bitcast i16* %tmp7 to i32* |
| 31 | %tmp9 = load i32* %tmp78 |
| 32 | ret i32 %tmp9 |
| Evan Cheng | 1314b00 | 2007-12-13 00:43:27 +0000 | [diff] [blame] | 33 | } |