| ; RUN: llc -march=hexagon < %s | FileCheck %s |
| ; Honor the alignment of a halfword on byte boundaries. |
| ; CHECK-NOT: memh |
| |
| target triple = "hexagon-unknown-linux-gnu" |
| |
| %s.0 = type <{ i16, i8, i16 }> |
| |
| @g0 = common global %s.0 zeroinitializer, align 1 |
| |
| ; Function Attrs: nounwind |
| define i32 @f0(i32 %a0) #0 { |
| b0: |
| %v0 = alloca i32, align 4 |
| store i32 %a0, ptr %v0, align 4 |
| store i8 1, ptr getelementptr inbounds (%s.0, ptr @g0, i32 0, i32 1), align 1 |
| %v1 = load i16, ptr getelementptr inbounds (%s.0, ptr @g0, i32 0, i32 2), align 1 |
| %v2 = add i16 %v1, 1 |
| store i16 %v2, ptr getelementptr inbounds (%s.0, ptr @g0, i32 0, i32 2), align 1 |
| %v3 = load i32, ptr %v0, align 4 |
| %v4 = icmp ne i32 %v3, 0 |
| br i1 %v4, label %b1, label %b2 |
| |
| b1: ; preds = %b0 |
| %v5 = load i16, ptr getelementptr inbounds (%s.0, ptr @g0, i32 0, i32 2), align 1 |
| %v6 = zext i16 %v5 to i32 |
| %v7 = or i32 %v6, 6144 |
| %v8 = trunc i32 %v7 to i16 |
| store i16 %v8, ptr getelementptr inbounds (%s.0, ptr @g0, i32 0, i32 2), align 1 |
| br label %b3 |
| |
| b2: ; preds = %b0 |
| %v9 = load i16, ptr getelementptr inbounds (%s.0, ptr @g0, i32 0, i32 2), align 1 |
| %v10 = zext i16 %v9 to i32 |
| %v11 = or i32 %v10, 2048 |
| %v12 = trunc i32 %v11 to i16 |
| store i16 %v12, ptr getelementptr inbounds (%s.0, ptr @g0, i32 0, i32 2), align 1 |
| br label %b3 |
| |
| b3: ; preds = %b2, %b1 |
| ret i32 0 |
| } |
| |
| attributes #0 = { nounwind } |
