Krzysztof Parzyszek | 046090d | 2018-03-12 14:01:28 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=hexagon < %s | FileCheck %s |
| 2 | ; Honor the alignment of a halfword on byte boundaries. |
| 3 | ; CHECK-NOT: memh |
| 4 | |
| 5 | target triple = "hexagon-unknown-linux-gnu" |
| 6 | |
| 7 | %s.0 = type <{ i16, i8, i16 }> |
| 8 | |
| 9 | @g0 = common global %s.0 zeroinitializer, align 1 |
| 10 | |
| 11 | ; Function Attrs: nounwind |
| 12 | define i32 @f0(i32 %a0) #0 { |
| 13 | b0: |
| 14 | %v0 = alloca i32, align 4 |
| 15 | store i32 %a0, i32* %v0, align 4 |
| 16 | store i8 1, i8* getelementptr inbounds (%s.0, %s.0* @g0, i32 0, i32 1), align 1 |
| 17 | %v1 = load i16, i16* getelementptr inbounds (%s.0, %s.0* @g0, i32 0, i32 2), align 1 |
| 18 | %v2 = add i16 %v1, 1 |
| 19 | store i16 %v2, i16* getelementptr inbounds (%s.0, %s.0* @g0, i32 0, i32 2), align 1 |
| 20 | %v3 = load i32, i32* %v0, align 4 |
| 21 | %v4 = icmp ne i32 %v3, 0 |
| 22 | br i1 %v4, label %b1, label %b2 |
| 23 | |
| 24 | b1: ; preds = %b0 |
| 25 | %v5 = load i16, i16* getelementptr inbounds (%s.0, %s.0* @g0, i32 0, i32 2), align 1 |
| 26 | %v6 = zext i16 %v5 to i32 |
| 27 | %v7 = or i32 %v6, 6144 |
| 28 | %v8 = trunc i32 %v7 to i16 |
| 29 | store i16 %v8, i16* getelementptr inbounds (%s.0, %s.0* @g0, i32 0, i32 2), align 1 |
| 30 | br label %b3 |
| 31 | |
| 32 | b2: ; preds = %b0 |
| 33 | %v9 = load i16, i16* getelementptr inbounds (%s.0, %s.0* @g0, i32 0, i32 2), align 1 |
| 34 | %v10 = zext i16 %v9 to i32 |
| 35 | %v11 = or i32 %v10, 2048 |
| 36 | %v12 = trunc i32 %v11 to i16 |
| 37 | store i16 %v12, i16* getelementptr inbounds (%s.0, %s.0* @g0, i32 0, i32 2), align 1 |
| 38 | br label %b3 |
| 39 | |
| 40 | b3: ; preds = %b2, %b1 |
| 41 | ret i32 0 |
| 42 | } |
| 43 | |
| 44 | attributes #0 = { nounwind } |