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52 lines
1.5 KiB
LLVM
52 lines
1.5 KiB
LLVM
; RUN: llc -march=hexagon < %s | FileCheck %s
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; CHECK: swiz
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target triple = "hexagon"
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%s.0 = type { [4 x i32], [2 x i32], [64 x i8] }
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; Function Attrs: nounwind
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define void @f0(%s.0* nocapture %a0, i8* nocapture %a1, i32 %a2) #0 {
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b0:
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%v0 = getelementptr inbounds %s.0, %s.0* %a0, i32 0, i32 2, i32 0
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br label %b1
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b1: ; preds = %b1, %b0
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%v1 = phi i16 [ 16, %b0 ], [ %v22, %b1 ]
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%v2 = phi i8* [ %v0, %b0 ], [ %v21, %b1 ]
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%v3 = getelementptr inbounds i8, i8* %v2, i32 3
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%v4 = load i8, i8* %v3, align 1, !tbaa !0
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%v5 = zext i8 %v4 to i32
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%v6 = shl nuw nsw i32 %v5, 8
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%v7 = getelementptr inbounds i8, i8* %v2, i32 2
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%v8 = load i8, i8* %v7, align 1, !tbaa !0
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%v9 = zext i8 %v8 to i32
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%v10 = or i32 %v6, %v9
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%v11 = shl nuw i32 %v10, 16
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%v12 = getelementptr inbounds i8, i8* %v2, i32 1
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%v13 = load i8, i8* %v12, align 1, !tbaa !0
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%v14 = zext i8 %v13 to i32
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%v15 = shl nuw nsw i32 %v14, 8
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%v16 = load i8, i8* %v2, align 1, !tbaa !0
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%v17 = zext i8 %v16 to i32
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%v18 = or i32 %v11, %v15
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%v19 = or i32 %v18, %v17
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%v20 = bitcast i8* %v2 to i32*
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store i32 %v19, i32* %v20, align 4, !tbaa !3
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%v21 = getelementptr inbounds i8, i8* %v2, i32 4
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%v22 = add i16 %v1, -1
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%v23 = icmp eq i16 %v22, 0
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br i1 %v23, label %b2, label %b1
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b2: ; preds = %b1
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ret void
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}
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attributes #0 = { nounwind }
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!0 = !{!1, !1, i64 0}
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!1 = !{!"omnipotent char", !2}
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!2 = !{!"Simple C/C++ TBAA"}
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!3 = !{!4, !4, i64 0}
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!4 = !{!"int", !1}
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