Bob Wilson | b935031 | 2009-10-27 06:16:45 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -march=arm | FileCheck %s |
Evan Cheng | 02b985c | 2007-01-19 09:20:23 +0000 | [diff] [blame] | 2 | |
Tanya Lattner | 6263f94 | 2008-02-17 20:02:20 +0000 | [diff] [blame] | 3 | define i16 @test1(i32* %X, i16* %A) { |
Bob Wilson | b935031 | 2009-10-27 06:16:45 +0000 | [diff] [blame^] | 4 | ; CHECK: test1: |
| 5 | ; CHECK: strh {{.*}}[{{.*}}], #-4 |
Tanya Lattner | 6263f94 | 2008-02-17 20:02:20 +0000 | [diff] [blame] | 6 | %Y = load i32* %X ; <i32> [#uses=1] |
| 7 | %tmp1 = trunc i32 %Y to i16 ; <i16> [#uses=1] |
| 8 | store i16 %tmp1, i16* %A |
| 9 | %tmp2 = ptrtoint i16* %A to i16 ; <i16> [#uses=1] |
| 10 | %tmp3 = sub i16 %tmp2, 4 ; <i16> [#uses=1] |
| 11 | ret i16 %tmp3 |
Evan Cheng | 02b985c | 2007-01-19 09:20:23 +0000 | [diff] [blame] | 12 | } |
| 13 | |
Tanya Lattner | 6263f94 | 2008-02-17 20:02:20 +0000 | [diff] [blame] | 14 | define i32 @test2(i32* %X, i32* %A) { |
Bob Wilson | b935031 | 2009-10-27 06:16:45 +0000 | [diff] [blame^] | 15 | ; CHECK: test2: |
| 16 | ; CHECK: str {{.*}}[{{.*}}], |
Tanya Lattner | 6263f94 | 2008-02-17 20:02:20 +0000 | [diff] [blame] | 17 | %Y = load i32* %X ; <i32> [#uses=1] |
| 18 | store i32 %Y, i32* %A |
| 19 | %tmp1 = ptrtoint i32* %A to i32 ; <i32> [#uses=1] |
| 20 | %tmp2 = sub i32 %tmp1, 4 ; <i32> [#uses=1] |
| 21 | ret i32 %tmp2 |
Evan Cheng | 02b985c | 2007-01-19 09:20:23 +0000 | [diff] [blame] | 22 | } |