45 lines
1.5 KiB
LLVM
45 lines
1.5 KiB
LLVM
; 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, i32* %v0, align 4
|
|
store i8 1, i8* getelementptr inbounds (%s.0, %s.0* @g0, i32 0, i32 1), align 1
|
|
%v1 = load i16, i16* getelementptr inbounds (%s.0, %s.0* @g0, i32 0, i32 2), align 1
|
|
%v2 = add i16 %v1, 1
|
|
store i16 %v2, i16* getelementptr inbounds (%s.0, %s.0* @g0, i32 0, i32 2), align 1
|
|
%v3 = load i32, i32* %v0, align 4
|
|
%v4 = icmp ne i32 %v3, 0
|
|
br i1 %v4, label %b1, label %b2
|
|
|
|
b1: ; preds = %b0
|
|
%v5 = load i16, i16* getelementptr inbounds (%s.0, %s.0* @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, i16* getelementptr inbounds (%s.0, %s.0* @g0, i32 0, i32 2), align 1
|
|
br label %b3
|
|
|
|
b2: ; preds = %b0
|
|
%v9 = load i16, i16* getelementptr inbounds (%s.0, %s.0* @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, i16* getelementptr inbounds (%s.0, %s.0* @g0, i32 0, i32 2), align 1
|
|
br label %b3
|
|
|
|
b3: ; preds = %b2, %b1
|
|
ret i32 0
|
|
}
|
|
|
|
attributes #0 = { nounwind }
|