| Saleem Abdulrasool | 905b6d19 | 2014-04-03 23:47:24 +0000 | [diff] [blame] | 1 | ; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s |
| Evan Cheng | 5772681 | 2009-06-30 02:15:48 +0000 | [diff] [blame] | 2 | |
| 3 | define i32 @test1(i8* %v.pntr.s0.u1) { |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 4 | %tmp.u = load i8, i8* %v.pntr.s0.u1 |
| Evan Cheng | 5772681 | 2009-06-30 02:15:48 +0000 | [diff] [blame] | 5 | %tmp1.s = zext i8 %tmp.u to i32 |
| 6 | ret i32 %tmp1.s |
| 7 | } |
| 8 | |
| 9 | define i32 @test2(i16* %v.pntr.s0.u1) { |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 10 | %tmp.u = load i16, i16* %v.pntr.s0.u1 |
| Evan Cheng | 5772681 | 2009-06-30 02:15:48 +0000 | [diff] [blame] | 11 | %tmp1.s = zext i16 %tmp.u to i32 |
| 12 | ret i32 %tmp1.s |
| 13 | } |
| 14 | |
| 15 | define i32 @test3(i8* %v.pntr.s1.u0) { |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 16 | %tmp.s = load i8, i8* %v.pntr.s1.u0 |
| Evan Cheng | 5772681 | 2009-06-30 02:15:48 +0000 | [diff] [blame] | 17 | %tmp1.s = sext i8 %tmp.s to i32 |
| 18 | ret i32 %tmp1.s |
| 19 | } |
| 20 | |
| 21 | define i32 @test4() { |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 22 | %tmp.s = load i16, i16* null |
| Evan Cheng | 5772681 | 2009-06-30 02:15:48 +0000 | [diff] [blame] | 23 | %tmp1.s = sext i16 %tmp.s to i32 |
| 24 | ret i32 %tmp1.s |
| 25 | } |
| Saleem Abdulrasool | 905b6d19 | 2014-04-03 23:47:24 +0000 | [diff] [blame] | 26 | |
| 27 | ; CHECK: ldrb |
| 28 | ; CHECK-NOT: ldrb |
| 29 | |
| 30 | ; CHECK: ldrh |
| 31 | ; CHECK-NOT: ldrh |
| 32 | |
| 33 | ; CHECK: ldrsb |
| 34 | ; CHECK-NOT: ldrsb |
| 35 | |
| 36 | ; CHECK: ldrsh |
| 37 | ; CHECK-NOT: ldrsh |
| 38 | |